Home / 913,987.40-1,261,456.13-532,239.26

Finding the Fourth Proportional to 913,987.40, 1,261,456.13 and 532,239.26

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Solution

The fourth proportional to 913,987.40, 1,261,456.13 and 532,239.26 is: 734,579.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,987.40 : 1,261,456.13 = 532,239.26 : x
  2. Step 2: Convert to fraction form
    913,987.40/1,261,456.13 = 532,239.26/x
  3. Step 3: Cross multiply
    913,987.40x = 1,261,456.13 × 532,239.26
  4. Step 4: Simplify right side
    913,987.40x = 671,396,472,176.98
  5. Step 5: Solve for x
    x = 671,396,472,176.98/913,987.40
  6. Step 6: Final answer
    x = 734,579.58

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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.