Home / 1,036,892.40-1,555,338.60-437,654.40

Finding the Fourth Proportional to 1,036,892.40, 1,555,338.60 and 437,654.40

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Solution

The fourth proportional to 1,036,892.40, 1,555,338.60 and 437,654.40 is: 656,481.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,892.40 : 1,555,338.60 = 437,654.40 : x
  2. Step 2: Convert to fraction form
    1,036,892.40/1,555,338.60 = 437,654.40/x
  3. Step 3: Cross multiply
    1,036,892.40x = 1,555,338.60 × 437,654.40
  4. Step 4: Simplify right side
    1,036,892.40x = 680,700,781,779.84
  5. Step 5: Solve for x
    x = 680,700,781,779.84/1,036,892.40
  6. Step 6: Final answer
    x = 656,481.60

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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.