Home / 619,244.70-928,867.05-554,290.80

Finding the Fourth Proportional to 619,244.70, 928,867.05 and 554,290.80

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Solution

The fourth proportional to 619,244.70, 928,867.05 and 554,290.80 is: 831,436.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,244.70 : 928,867.05 = 554,290.80 : x
  2. Step 2: Convert to fraction form
    619,244.70/928,867.05 = 554,290.80/x
  3. Step 3: Cross multiply
    619,244.70x = 928,867.05 × 554,290.80
  4. Step 4: Simplify right side
    619,244.70x = 514,862,460,238.14
  5. Step 5: Solve for x
    x = 514,862,460,238.14/619,244.70
  6. Step 6: Final answer
    x = 831,436.20

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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.