Home / 526,974.60-727,644.12-486,673.56

Finding the Fourth Proportional to 526,974.60, 727,644.12 and 486,673.56

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Solution

The fourth proportional to 526,974.60, 727,644.12 and 486,673.56 is: 671,996.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,974.60 : 727,644.12 = 486,673.56 : x
  2. Step 2: Convert to fraction form
    526,974.60/727,644.12 = 486,673.56/x
  3. Step 3: Cross multiply
    526,974.60x = 727,644.12 × 486,673.56
  4. Step 4: Simplify right side
    526,974.60x = 354,125,154,293.47
  5. Step 5: Solve for x
    x = 354,125,154,293.47/526,974.60
  6. Step 6: Final answer
    x = 671,996.63

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1.5x scale

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.