Home / 649,234.20-972,101.70-509,266.20

Finding the Fourth Proportional to 649,234.20, 972,101.70 and 509,266.20

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Solution

The fourth proportional to 649,234.20, 972,101.70 and 509,266.20 is: 762,526.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,234.20 : 972,101.70 = 509,266.20 : x
  2. Step 2: Convert to fraction form
    649,234.20/972,101.70 = 509,266.20/x
  3. Step 3: Cross multiply
    649,234.20x = 972,101.70 × 509,266.20
  4. Step 4: Simplify right side
    649,234.20x = 495,058,538,772.54
  5. Step 5: Solve for x
    x = 495,058,538,772.54/649,234.20
  6. Step 6: Final answer
    x = 762,526.90

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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.