Home / 1,259,301.20-1,737,876.35-715,427.11

Finding the Fourth Proportional to 1,259,301.20, 1,737,876.35 and 715,427.11

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Solution

The fourth proportional to 1,259,301.20, 1,737,876.35 and 715,427.11 is: 987,312.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,301.20 : 1,737,876.35 = 715,427.11 : x
  2. Step 2: Convert to fraction form
    1,259,301.20/1,737,876.35 = 715,427.11/x
  3. Step 3: Cross multiply
    1,259,301.20x = 1,737,876.35 × 715,427.11
  4. Step 4: Simplify right side
    1,259,301.20x = 1,243,323,842,351.33
  5. Step 5: Solve for x
    x = 1,243,323,842,351.33/1,259,301.20
  6. Step 6: Final answer
    x = 987,312.52

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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.