Home / 1,205,351.50-1,663,275.13-715,236.56

Finding the Fourth Proportional to 1,205,351.50, 1,663,275.13 and 715,236.56

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Solution

The fourth proportional to 1,205,351.50, 1,663,275.13 and 715,236.56 is: 986,961.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,351.50 : 1,663,275.13 = 715,236.56 : x
  2. Step 2: Convert to fraction form
    1,205,351.50/1,663,275.13 = 715,236.56/x
  3. Step 3: Cross multiply
    1,205,351.50x = 1,663,275.13 × 715,236.56
  4. Step 4: Simplify right side
    1,205,351.50x = 1,189,635,172,948.31
  5. Step 5: Solve for x
    x = 1,189,635,172,948.31/1,205,351.50
  6. Step 6: Final answer
    x = 986,961.21

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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.