Home / 814,059.14-1,123,439.11-451,461.40

Finding the Fourth Proportional to 814,059.14, 1,123,439.11 and 451,461.40

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Solution

The fourth proportional to 814,059.14, 1,123,439.11 and 451,461.40 is: 623,037.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,059.14 : 1,123,439.11 = 451,461.40 : x
  2. Step 2: Convert to fraction form
    814,059.14/1,123,439.11 = 451,461.40/x
  3. Step 3: Cross multiply
    814,059.14x = 1,123,439.11 × 451,461.40
  4. Step 4: Simplify right side
    814,059.14x = 507,189,389,478.10
  5. Step 5: Solve for x
    x = 507,189,389,478.10/814,059.14
  6. Step 6: Final answer
    x = 623,037.53

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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.