Home / 1,386,882.60-2,080,688.40-440,251.80

Finding the Fourth Proportional to 1,386,882.60, 2,080,688.40 and 440,251.80

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Solution

The fourth proportional to 1,386,882.60, 2,080,688.40 and 440,251.80 is: 660,493.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,882.60 : 2,080,688.40 = 440,251.80 : x
  2. Step 2: Convert to fraction form
    1,386,882.60/2,080,688.40 = 440,251.80/x
  3. Step 3: Cross multiply
    1,386,882.60x = 2,080,688.40 × 440,251.80
  4. Step 4: Simplify right side
    1,386,882.60x = 916,026,813,339.12
  5. Step 5: Solve for x
    x = 916,026,813,339.12/1,386,882.60
  6. Step 6: Final answer
    x = 660,493.41

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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.