Home / 814,141.01-1,123,649.11-451,681.64

Finding the Fourth Proportional to 814,141.01, 1,123,649.11 and 451,681.64

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Solution

The fourth proportional to 814,141.01, 1,123,649.11 and 451,681.64 is: 623,395.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,141.01 : 1,123,649.11 = 451,681.64 : x
  2. Step 2: Convert to fraction form
    814,141.01/1,123,649.11 = 451,681.64/x
  3. Step 3: Cross multiply
    814,141.01x = 1,123,649.11 × 451,681.64
  4. Step 4: Simplify right side
    814,141.01x = 507,531,673,918.55
  5. Step 5: Solve for x
    x = 507,531,673,918.55/814,141.01
  6. Step 6: Final answer
    x = 623,395.30

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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.