Home / 925,055.02-1,387,560.92-426,419.02

Finding the Fourth Proportional to 925,055.02, 1,387,560.92 and 426,419.02

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Solution

The fourth proportional to 925,055.02, 1,387,560.92 and 426,419.02 is: 639,618.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,055.02 : 1,387,560.92 = 426,419.02 : x
  2. Step 2: Convert to fraction form
    925,055.02/1,387,560.92 = 426,419.02/x
  3. Step 3: Cross multiply
    925,055.02x = 1,387,560.92 × 426,419.02
  4. Step 4: Simplify right side
    925,055.02x = 591,682,367,696.70
  5. Step 5: Solve for x
    x = 591,682,367,696.70/925,055.02
  6. Step 6: Final answer
    x = 639,618.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.