Home / 925,256.88-1,276,687.80-517,366.80

Finding the Fourth Proportional to 925,256.88, 1,276,687.80 and 517,366.80

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Solution

The fourth proportional to 925,256.88, 1,276,687.80 and 517,366.80 is: 713,872.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,256.88 : 1,276,687.80 = 517,366.80 : x
  2. Step 2: Convert to fraction form
    925,256.88/1,276,687.80 = 517,366.80/x
  3. Step 3: Cross multiply
    925,256.88x = 1,276,687.80 × 517,366.80
  4. Step 4: Simplify right side
    925,256.88x = 660,515,881,685.04
  5. Step 5: Solve for x
    x = 660,515,881,685.04/925,256.88
  6. Step 6: Final answer
    x = 713,872.98

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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.