Home / 931,660.20-1,395,416.70-807,244.20

Finding the Fourth Proportional to 931,660.20, 1,395,416.70 and 807,244.20

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Solution

The fourth proportional to 931,660.20, 1,395,416.70 and 807,244.20 is: 1,209,069.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,660.20 : 1,395,416.70 = 807,244.20 : x
  2. Step 2: Convert to fraction form
    931,660.20/1,395,416.70 = 807,244.20/x
  3. Step 3: Cross multiply
    931,660.20x = 1,395,416.70 × 807,244.20
  4. Step 4: Simplify right side
    931,660.20x = 1,126,442,037,658.14
  5. Step 5: Solve for x
    x = 1,126,442,037,658.14/931,660.20
  6. Step 6: Final answer
    x = 1,209,069.61

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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.