Home / 696,538.86-961,233.80-406,142.52

Finding the Fourth Proportional to 696,538.86, 961,233.80 and 406,142.52

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Solution

The fourth proportional to 696,538.86, 961,233.80 and 406,142.52 is: 560,482.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,538.86 : 961,233.80 = 406,142.52 : x
  2. Step 2: Convert to fraction form
    696,538.86/961,233.80 = 406,142.52/x
  3. Step 3: Cross multiply
    696,538.86x = 961,233.80 × 406,142.52
  4. Step 4: Simplify right side
    696,538.86x = 390,397,915,810.46
  5. Step 5: Solve for x
    x = 390,397,915,810.46/696,538.86
  6. Step 6: Final answer
    x = 560,482.61

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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.