Home / 1,377,000.40-2,064,079.05-619,204.90

Finding the Fourth Proportional to 1,377,000.40, 2,064,079.05 and 619,204.90

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Solution

The fourth proportional to 1,377,000.40, 2,064,079.05 and 619,204.90 is: 928,168.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,000.40 : 2,064,079.05 = 619,204.90 : x
  2. Step 2: Convert to fraction form
    1,377,000.40/2,064,079.05 = 619,204.90/x
  3. Step 3: Cross multiply
    1,377,000.40x = 2,064,079.05 × 619,204.90
  4. Step 4: Simplify right side
    1,377,000.40x = 1,278,087,861,747.35
  5. Step 5: Solve for x
    x = 1,278,087,861,747.35/1,377,000.40
  6. Step 6: Final answer
    x = 928,168.11

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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.