Home / 732,421.50-1,010,656.59-426,564.78

Finding the Fourth Proportional to 732,421.50, 1,010,656.59 and 426,564.78

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Solution

The fourth proportional to 732,421.50, 1,010,656.59 and 426,564.78 is: 588,609.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,421.50 : 1,010,656.59 = 426,564.78 : x
  2. Step 2: Convert to fraction form
    732,421.50/1,010,656.59 = 426,564.78/x
  3. Step 3: Cross multiply
    732,421.50x = 1,010,656.59 × 426,564.78
  4. Step 4: Simplify right side
    732,421.50x = 431,110,505,968.90
  5. Step 5: Solve for x
    x = 431,110,505,968.90/732,421.50
  6. Step 6: Final answer
    x = 588,609.85

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1.5x scale

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.