Home / 1,026,082.26-1,539,123.39-278,128.26

Finding the Fourth Proportional to 1,026,082.26, 1,539,123.39 and 278,128.26

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Solution

The fourth proportional to 1,026,082.26, 1,539,123.39 and 278,128.26 is: 417,192.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,082.26 : 1,539,123.39 = 278,128.26 : x
  2. Step 2: Convert to fraction form
    1,026,082.26/1,539,123.39 = 278,128.26/x
  3. Step 3: Cross multiply
    1,026,082.26x = 1,539,123.39 × 278,128.26
  4. Step 4: Simplify right side
    1,026,082.26x = 428,073,710,386.00
  5. Step 5: Solve for x
    x = 428,073,710,386.00/1,026,082.26
  6. Step 6: Final answer
    x = 417,192.39

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Half scale
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Double scale
Find fourth proportional to 1,026,083.26, 1,539,124.89 and 278,129.26
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.