Home / 916,732.52-1,265,071.82-508,810.44

Finding the Fourth Proportional to 916,732.52, 1,265,071.82 and 508,810.44

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Solution

The fourth proportional to 916,732.52, 1,265,071.82 and 508,810.44 is: 702,147.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,732.52 : 1,265,071.82 = 508,810.44 : x
  2. Step 2: Convert to fraction form
    916,732.52/1,265,071.82 = 508,810.44/x
  3. Step 3: Cross multiply
    916,732.52x = 1,265,071.82 × 508,810.44
  4. Step 4: Simplify right side
    916,732.52x = 643,681,749,365.80
  5. Step 5: Solve for x
    x = 643,681,749,365.80/916,732.52
  6. Step 6: Final answer
    x = 702,147.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.