Home / 725,148.02-1,087,348.53-325,446.14

Finding the Fourth Proportional to 725,148.02, 1,087,348.53 and 325,446.14

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Solution

The fourth proportional to 725,148.02, 1,087,348.53 and 325,446.14 is: 488,001.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,148.02 : 1,087,348.53 = 325,446.14 : x
  2. Step 2: Convert to fraction form
    725,148.02/1,087,348.53 = 325,446.14/x
  3. Step 3: Cross multiply
    725,148.02x = 1,087,348.53 × 325,446.14
  4. Step 4: Simplify right side
    725,148.02x = 353,873,381,923.17
  5. Step 5: Solve for x
    x = 353,873,381,923.17/725,148.02
  6. Step 6: Final answer
    x = 488,001.58

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1.5x scale

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.