Home / 696,454.28-961,306.18-410,140.44

Finding the Fourth Proportional to 696,454.28, 961,306.18 and 410,140.44

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Solution

The fourth proportional to 696,454.28, 961,306.18 and 410,140.44 is: 566,111.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,454.28 : 961,306.18 = 410,140.44 : x
  2. Step 2: Convert to fraction form
    696,454.28/961,306.18 = 410,140.44/x
  3. Step 3: Cross multiply
    696,454.28x = 961,306.18 × 410,140.44
  4. Step 4: Simplify right side
    696,454.28x = 394,270,539,639.92
  5. Step 5: Solve for x
    x = 394,270,539,639.92/696,454.28
  6. Step 6: Final answer
    x = 566,111.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.