Home / 724,822.60-1,087,233.90-710,825.80

Finding the Fourth Proportional to 724,822.60, 1,087,233.90 and 710,825.80

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Solution

The fourth proportional to 724,822.60, 1,087,233.90 and 710,825.80 is: 1,066,238.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,822.60 : 1,087,233.90 = 710,825.80 : x
  2. Step 2: Convert to fraction form
    724,822.60/1,087,233.90 = 710,825.80/x
  3. Step 3: Cross multiply
    724,822.60x = 1,087,233.90 × 710,825.80
  4. Step 4: Simplify right side
    724,822.60x = 772,833,906,754.62
  5. Step 5: Solve for x
    x = 772,833,906,754.62/724,822.60
  6. Step 6: Final answer
    x = 1,066,238.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.