Home / 905,027.04-1,248,864.48-523,078.56

Finding the Fourth Proportional to 905,027.04, 1,248,864.48 and 523,078.56

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Solution

The fourth proportional to 905,027.04, 1,248,864.48 and 523,078.56 is: 721,806.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,027.04 : 1,248,864.48 = 523,078.56 : x
  2. Step 2: Convert to fraction form
    905,027.04/1,248,864.48 = 523,078.56/x
  3. Step 3: Cross multiply
    905,027.04x = 1,248,864.48 × 523,078.56
  4. Step 4: Simplify right side
    905,027.04x = 653,254,233,833.55
  5. Step 5: Solve for x
    x = 653,254,233,833.55/905,027.04
  6. Step 6: Final answer
    x = 721,806.32

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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.