Home / 1,026,141.10-1,539,211.65-278,187.10

Finding the Fourth Proportional to 1,026,141.10, 1,539,211.65 and 278,187.10

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Solution

The fourth proportional to 1,026,141.10, 1,539,211.65 and 278,187.10 is: 417,280.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,141.10 : 1,539,211.65 = 278,187.10 : x
  2. Step 2: Convert to fraction form
    1,026,141.10/1,539,211.65 = 278,187.10/x
  3. Step 3: Cross multiply
    1,026,141.10x = 1,539,211.65 × 278,187.10
  4. Step 4: Simplify right side
    1,026,141.10x = 428,188,825,199.72
  5. Step 5: Solve for x
    x = 428,188,825,199.72/1,026,141.10
  6. Step 6: Final answer
    x = 417,280.65

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Half scale
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Double scale
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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.