Home / 814,259.31-1,123,684.63-451,706.96

Finding the Fourth Proportional to 814,259.31, 1,123,684.63 and 451,706.96

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Solution

The fourth proportional to 814,259.31, 1,123,684.63 and 451,706.96 is: 623,359.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,259.31 : 1,123,684.63 = 451,706.96 : x
  2. Step 2: Convert to fraction form
    814,259.31/1,123,684.63 = 451,706.96/x
  3. Step 3: Cross multiply
    814,259.31x = 1,123,684.63 × 451,706.96
  4. Step 4: Simplify right side
    814,259.31x = 507,576,161,468.33
  5. Step 5: Solve for x
    x = 507,576,161,468.33/814,259.31
  6. Step 6: Final answer
    x = 623,359.36

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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.