Home / 696,460.68-961,125.77-406,064.15

Finding the Fourth Proportional to 696,460.68, 961,125.77 and 406,064.15

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Solution

The fourth proportional to 696,460.68, 961,125.77 and 406,064.15 is: 560,374.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,460.68 : 961,125.77 = 406,064.15 : x
  2. Step 2: Convert to fraction form
    696,460.68/961,125.77 = 406,064.15/x
  3. Step 3: Cross multiply
    696,460.68x = 961,125.77 × 406,064.15
  4. Step 4: Simplify right side
    696,460.68x = 390,278,712,002.20
  5. Step 5: Solve for x
    x = 390,278,712,002.20/696,460.68
  6. Step 6: Final answer
    x = 560,374.37

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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.