Home / 725,145.60-1,088,884.80-526,857.60

Finding the Fourth Proportional to 725,145.60, 1,088,884.80 and 526,857.60

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Solution

The fourth proportional to 725,145.60, 1,088,884.80 and 526,857.60 is: 791,133.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,145.60 : 1,088,884.80 = 526,857.60 : x
  2. Step 2: Convert to fraction form
    725,145.60/1,088,884.80 = 526,857.60/x
  3. Step 3: Cross multiply
    725,145.60x = 1,088,884.80 × 526,857.60
  4. Step 4: Simplify right side
    725,145.60x = 573,687,232,404.48
  5. Step 5: Solve for x
    x = 573,687,232,404.48/725,145.60
  6. Step 6: Final answer
    x = 791,133.85

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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.