Home / 814,240.32-1,123,669.68-451,652.40

Finding the Fourth Proportional to 814,240.32, 1,123,669.68 and 451,652.40

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Solution

The fourth proportional to 814,240.32, 1,123,669.68 and 451,652.40 is: 623,290.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,240.32 : 1,123,669.68 = 451,652.40 : x
  2. Step 2: Convert to fraction form
    814,240.32/1,123,669.68 = 451,652.40/x
  3. Step 3: Cross multiply
    814,240.32x = 1,123,669.68 × 451,652.40
  4. Step 4: Simplify right side
    814,240.32x = 507,508,107,779.23
  5. Step 5: Solve for x
    x = 507,508,107,779.23/814,240.32
  6. Step 6: Final answer
    x = 623,290.32

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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.