Home / 1,205,351.59-1,663,275.26-715,236.65

Finding the Fourth Proportional to 1,205,351.59, 1,663,275.26 and 715,236.65

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Solution

The fourth proportional to 1,205,351.59, 1,663,275.26 and 715,236.65 is: 986,961.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,351.59 : 1,663,275.26 = 715,236.65 : x
  2. Step 2: Convert to fraction form
    1,205,351.59/1,663,275.26 = 715,236.65/x
  3. Step 3: Cross multiply
    1,205,351.59x = 1,663,275.26 × 715,236.65
  4. Step 4: Simplify right side
    1,205,351.59x = 1,189,635,421,414.10
  5. Step 5: Solve for x
    x = 1,189,635,421,414.10/1,205,351.59
  6. Step 6: Final answer
    x = 986,961.34

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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.