Home / 696,740.27-961,147.11-455,164.25

Finding the Fourth Proportional to 696,740.27, 961,147.11 and 455,164.25

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Solution

The fourth proportional to 696,740.27, 961,147.11 and 455,164.25 is: 627,895.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,740.27 : 961,147.11 = 455,164.25 : x
  2. Step 2: Convert to fraction form
    696,740.27/961,147.11 = 455,164.25/x
  3. Step 3: Cross multiply
    696,740.27x = 961,147.11 × 455,164.25
  4. Step 4: Simplify right side
    696,740.27x = 437,479,800,363.95
  5. Step 5: Solve for x
    x = 437,479,800,363.95/696,740.27
  6. Step 6: Final answer
    x = 627,895.10

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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.