Home / 976,570.88-1,347,653.17-540,986.85

Finding the Fourth Proportional to 976,570.88, 1,347,653.17 and 540,986.85

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Solution

The fourth proportional to 976,570.88, 1,347,653.17 and 540,986.85 is: 746,553.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,570.88 : 1,347,653.17 = 540,986.85 : x
  2. Step 2: Convert to fraction form
    976,570.88/1,347,653.17 = 540,986.85/x
  3. Step 3: Cross multiply
    976,570.88x = 1,347,653.17 × 540,986.85
  4. Step 4: Simplify right side
    976,570.88x = 729,062,643,330.82
  5. Step 5: Solve for x
    x = 729,062,643,330.82/976,570.88
  6. Step 6: Final answer
    x = 746,553.74

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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.