Home / 725,065.14-1,087,708.26-369,885.42

Finding the Fourth Proportional to 725,065.14, 1,087,708.26 and 369,885.42

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Solution

The fourth proportional to 725,065.14, 1,087,708.26 and 369,885.42 is: 554,884.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,065.14 : 1,087,708.26 = 369,885.42 : x
  2. Step 2: Convert to fraction form
    725,065.14/1,087,708.26 = 369,885.42/x
  3. Step 3: Cross multiply
    725,065.14x = 1,087,708.26 × 369,885.42
  4. Step 4: Simplify right side
    725,065.14x = 402,327,426,587.57
  5. Step 5: Solve for x
    x = 402,327,426,587.57/725,065.14
  6. Step 6: Final answer
    x = 554,884.53

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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.