Home / 619,255.20-928,882.80-554,301.30

Finding the Fourth Proportional to 619,255.20, 928,882.80 and 554,301.30

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Solution

The fourth proportional to 619,255.20, 928,882.80 and 554,301.30 is: 831,451.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,255.20 : 928,882.80 = 554,301.30 : x
  2. Step 2: Convert to fraction form
    619,255.20/928,882.80 = 554,301.30/x
  3. Step 3: Cross multiply
    619,255.20x = 928,882.80 × 554,301.30
  4. Step 4: Simplify right side
    619,255.20x = 514,880,943,587.64
  5. Step 5: Solve for x
    x = 514,880,943,587.64/619,255.20
  6. Step 6: Final answer
    x = 831,451.95

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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.