Home / 484,000.96-726,036-129,013.12

Finding the Fourth Proportional to 484,000.96, 726,036 and 129,013.12

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Solution

The fourth proportional to 484,000.96, 726,036 and 129,013.12 is: 193,528.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,000.96 : 726,036 = 129,013.12 : x
  2. Step 2: Convert to fraction form
    484,000.96/726,036 = 129,013.12/x
  3. Step 3: Cross multiply
    484,000.96x = 726,036 × 129,013.12
  4. Step 4: Simplify right side
    484,000.96x = 93,668,169,592.32
  5. Step 5: Solve for x
    x = 93,668,169,592.32/484,000.96
  6. Step 6: Final answer
    x = 193,528.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.