Home / 905,128.95-1,248,939.22-523,082.01

Finding the Fourth Proportional to 905,128.95, 1,248,939.22 and 523,082.01

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Solution

The fourth proportional to 905,128.95, 1,248,939.22 and 523,082.01 is: 721,773.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,128.95 : 1,248,939.22 = 523,082.01 : x
  2. Step 2: Convert to fraction form
    905,128.95/1,248,939.22 = 523,082.01/x
  3. Step 3: Cross multiply
    905,128.95x = 1,248,939.22 × 523,082.01
  4. Step 4: Simplify right side
    905,128.95x = 653,297,637,565.43
  5. Step 5: Solve for x
    x = 653,297,637,565.43/905,128.95
  6. Step 6: Final answer
    x = 721,773.00

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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.