Home / 715,224.35-986,761.40-457,252.29

Finding the Fourth Proportional to 715,224.35, 986,761.40 and 457,252.29

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Solution

The fourth proportional to 715,224.35, 986,761.40 and 457,252.29 is: 630,849.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,224.35 : 986,761.40 = 457,252.29 : x
  2. Step 2: Convert to fraction form
    715,224.35/986,761.40 = 457,252.29/x
  3. Step 3: Cross multiply
    715,224.35x = 986,761.40 × 457,252.29
  4. Step 4: Simplify right side
    715,224.35x = 451,198,907,547.35
  5. Step 5: Solve for x
    x = 451,198,907,547.35/715,224.35
  6. Step 6: Final answer
    x = 630,849.48

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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.