Home / 921,959.82-1,272,211.38-514,023.36

Finding the Fourth Proportional to 921,959.82, 1,272,211.38 and 514,023.36

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Solution

The fourth proportional to 921,959.82, 1,272,211.38 and 514,023.36 is: 709,300.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,959.82 : 1,272,211.38 = 514,023.36 : x
  2. Step 2: Convert to fraction form
    921,959.82/1,272,211.38 = 514,023.36/x
  3. Step 3: Cross multiply
    921,959.82x = 1,272,211.38 × 514,023.36
  4. Step 4: Simplify right side
    921,959.82x = 653,946,368,177.84
  5. Step 5: Solve for x
    x = 653,946,368,177.84/921,959.82
  6. Step 6: Final answer
    x = 709,300.29

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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.