Home / 1,399,251.40-2,098,877.10-512,672.20

Finding the Fourth Proportional to 1,399,251.40, 2,098,877.10 and 512,672.20

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Solution

The fourth proportional to 1,399,251.40, 2,098,877.10 and 512,672.20 is: 769,008.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,251.40 : 2,098,877.10 = 512,672.20 : x
  2. Step 2: Convert to fraction form
    1,399,251.40/2,098,877.10 = 512,672.20/x
  3. Step 3: Cross multiply
    1,399,251.40x = 2,098,877.10 × 512,672.20
  4. Step 4: Simplify right side
    1,399,251.40x = 1,076,035,940,386.62
  5. Step 5: Solve for x
    x = 1,076,035,940,386.62/1,399,251.40
  6. Step 6: Final answer
    x = 769,008.30

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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.