Home / 866,246.40-1,299,369.60-656,294.40

Finding the Fourth Proportional to 866,246.40, 1,299,369.60 and 656,294.40

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Solution

The fourth proportional to 866,246.40, 1,299,369.60 and 656,294.40 is: 984,441.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,246.40 : 1,299,369.60 = 656,294.40 : x
  2. Step 2: Convert to fraction form
    866,246.40/1,299,369.60 = 656,294.40/x
  3. Step 3: Cross multiply
    866,246.40x = 1,299,369.60 × 656,294.40
  4. Step 4: Simplify right side
    866,246.40x = 852,768,992,010.24
  5. Step 5: Solve for x
    x = 852,768,992,010.24/866,246.40
  6. Step 6: Final answer
    x = 984,441.60

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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.