Home / 922,927.97-1,273,638.21-515,025.52

Finding the Fourth Proportional to 922,927.97, 1,273,638.21 and 515,025.52

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Solution

The fourth proportional to 922,927.97, 1,273,638.21 and 515,025.52 is: 710,733.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,927.97 : 1,273,638.21 = 515,025.52 : x
  2. Step 2: Convert to fraction form
    922,927.97/1,273,638.21 = 515,025.52/x
  3. Step 3: Cross multiply
    922,927.97x = 1,273,638.21 × 515,025.52
  4. Step 4: Simplify right side
    922,927.97x = 655,956,181,397.12
  5. Step 5: Solve for x
    x = 655,956,181,397.12/922,927.97
  6. Step 6: Final answer
    x = 710,733.88

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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.