Home / 619,246.30-927,487.05-478,548.70

Finding the Fourth Proportional to 619,246.30, 927,487.05 and 478,548.70

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Solution

The fourth proportional to 619,246.30, 927,487.05 and 478,548.70 is: 716,754.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,246.30 : 927,487.05 = 478,548.70 : x
  2. Step 2: Convert to fraction form
    619,246.30/927,487.05 = 478,548.70/x
  3. Step 3: Cross multiply
    619,246.30x = 927,487.05 × 478,548.70
  4. Step 4: Simplify right side
    619,246.30x = 443,847,722,044.34
  5. Step 5: Solve for x
    x = 443,847,722,044.34/619,246.30
  6. Step 6: Final answer
    x = 716,754.74

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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.