Home / 648,045.60-972,068.40-514,201.20

Finding the Fourth Proportional to 648,045.60, 972,068.40 and 514,201.20

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Solution

The fourth proportional to 648,045.60, 972,068.40 and 514,201.20 is: 771,301.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,045.60 : 972,068.40 = 514,201.20 : x
  2. Step 2: Convert to fraction form
    648,045.60/972,068.40 = 514,201.20/x
  3. Step 3: Cross multiply
    648,045.60x = 972,068.40 × 514,201.20
  4. Step 4: Simplify right side
    648,045.60x = 499,838,737,762.08
  5. Step 5: Solve for x
    x = 499,838,737,762.08/648,045.60
  6. Step 6: Final answer
    x = 771,301.80

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Similar ratio
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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.