Home / 859,553.54-1,287,558.64-503,488.08

Finding the Fourth Proportional to 859,553.54, 1,287,558.64 and 503,488.08

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Solution

The fourth proportional to 859,553.54, 1,287,558.64 and 503,488.08 is: 754,194.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,553.54 : 1,287,558.64 = 503,488.08 : x
  2. Step 2: Convert to fraction form
    859,553.54/1,287,558.64 = 503,488.08/x
  3. Step 3: Cross multiply
    859,553.54x = 1,287,558.64 × 503,488.08
  4. Step 4: Simplify right side
    859,553.54x = 648,270,427,541.01
  5. Step 5: Solve for x
    x = 648,270,427,541.01/859,553.54
  6. Step 6: Final answer
    x = 754,194.35

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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.