Home / 769,825.55-1,062,337.29-425,655.56

Finding the Fourth Proportional to 769,825.55, 1,062,337.29 and 425,655.56

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Solution

The fourth proportional to 769,825.55, 1,062,337.29 and 425,655.56 is: 587,392.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,825.55 : 1,062,337.29 = 425,655.56 : x
  2. Step 2: Convert to fraction form
    769,825.55/1,062,337.29 = 425,655.56/x
  3. Step 3: Cross multiply
    769,825.55x = 1,062,337.29 × 425,655.56
  4. Step 4: Simplify right side
    769,825.55x = 452,189,774,083.83
  5. Step 5: Solve for x
    x = 452,189,774,083.83/769,825.55
  6. Step 6: Final answer
    x = 587,392.53

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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.