Home / 530,084.28-732,153.42-386,617.08

Finding the Fourth Proportional to 530,084.28, 732,153.42 and 386,617.08

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Solution

The fourth proportional to 530,084.28, 732,153.42 and 386,617.08 is: 533,996.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,084.28 : 732,153.42 = 386,617.08 : x
  2. Step 2: Convert to fraction form
    530,084.28/732,153.42 = 386,617.08/x
  3. Step 3: Cross multiply
    530,084.28x = 732,153.42 × 386,617.08
  4. Step 4: Simplify right side
    530,084.28x = 283,063,017,352.41
  5. Step 5: Solve for x
    x = 283,063,017,352.41/530,084.28
  6. Step 6: Final answer
    x = 533,996.25

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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.