Home / 859,488.52-1,287,461.32-503,423.04

Finding the Fourth Proportional to 859,488.52, 1,287,461.32 and 503,423.04

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Solution

The fourth proportional to 859,488.52, 1,287,461.32 and 503,423.04 is: 754,096.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,488.52 : 1,287,461.32 = 503,423.04 : x
  2. Step 2: Convert to fraction form
    859,488.52/1,287,461.32 = 503,423.04/x
  3. Step 3: Cross multiply
    859,488.52x = 1,287,461.32 × 503,423.04
  4. Step 4: Simplify right side
    859,488.52x = 648,137,691,596.81
  5. Step 5: Solve for x
    x = 648,137,691,596.81/859,488.52
  6. Step 6: Final answer
    x = 754,096.97

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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.