Home / 714,534.82-986,032.52-404,430.75

Finding the Fourth Proportional to 714,534.82, 986,032.52 and 404,430.75

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Solution

The fourth proportional to 714,534.82, 986,032.52 and 404,430.75 is: 558,099.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,534.82 : 986,032.52 = 404,430.75 : x
  2. Step 2: Convert to fraction form
    714,534.82/986,032.52 = 404,430.75/x
  3. Step 3: Cross multiply
    714,534.82x = 986,032.52 × 404,430.75
  4. Step 4: Simplify right side
    714,534.82x = 398,781,873,411.52
  5. Step 5: Solve for x
    x = 398,781,873,411.52/714,534.82
  6. Step 6: Final answer
    x = 558,099.98

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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.