Home / 1,036,888.90-1,555,333.35-437,650.90

Finding the Fourth Proportional to 1,036,888.90, 1,555,333.35 and 437,650.90

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Solution

The fourth proportional to 1,036,888.90, 1,555,333.35 and 437,650.90 is: 656,476.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,888.90 : 1,555,333.35 = 437,650.90 : x
  2. Step 2: Convert to fraction form
    1,036,888.90/1,555,333.35 = 437,650.90/x
  3. Step 3: Cross multiply
    1,036,888.90x = 1,555,333.35 × 437,650.90
  4. Step 4: Simplify right side
    1,036,888.90x = 680,693,040,427.52
  5. Step 5: Solve for x
    x = 680,693,040,427.52/1,036,888.90
  6. Step 6: Final answer
    x = 656,476.35

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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.