Home / 814,141.25-1,123,649.46-451,681.88

Finding the Fourth Proportional to 814,141.25, 1,123,649.46 and 451,681.88

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Solution

The fourth proportional to 814,141.25, 1,123,649.46 and 451,681.88 is: 623,395.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,141.25 : 1,123,649.46 = 451,681.88 : x
  2. Step 2: Convert to fraction form
    814,141.25/1,123,649.46 = 451,681.88/x
  3. Step 3: Cross multiply
    814,141.25x = 1,123,649.46 × 451,681.88
  4. Step 4: Simplify right side
    814,141.25x = 507,532,102,233.70
  5. Step 5: Solve for x
    x = 507,532,102,233.70/814,141.25
  6. Step 6: Final answer
    x = 623,395.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.