Home / 693,429.60-1,040,144.40-588,712.80

Finding the Fourth Proportional to 693,429.60, 1,040,144.40 and 588,712.80

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Solution

The fourth proportional to 693,429.60, 1,040,144.40 and 588,712.80 is: 883,069.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,429.60 : 1,040,144.40 = 588,712.80 : x
  2. Step 2: Convert to fraction form
    693,429.60/1,040,144.40 = 588,712.80/x
  3. Step 3: Cross multiply
    693,429.60x = 1,040,144.40 × 588,712.80
  4. Step 4: Simplify right side
    693,429.60x = 612,346,322,128.32
  5. Step 5: Solve for x
    x = 612,346,322,128.32/693,429.60
  6. Step 6: Final answer
    x = 883,069.20

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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.