Home / 814,007.81-1,123,330.78-451,487.18

Finding the Fourth Proportional to 814,007.81, 1,123,330.78 and 451,487.18

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Solution

The fourth proportional to 814,007.81, 1,123,330.78 and 451,487.18 is: 623,052.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,007.81 : 1,123,330.78 = 451,487.18 : x
  2. Step 2: Convert to fraction form
    814,007.81/1,123,330.78 = 451,487.18/x
  3. Step 3: Cross multiply
    814,007.81x = 1,123,330.78 × 451,487.18
  4. Step 4: Simplify right side
    814,007.81x = 507,169,449,442.09
  5. Step 5: Solve for x
    x = 507,169,449,442.09/814,007.81
  6. Step 6: Final answer
    x = 623,052.31

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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.