Home / 915,998.20-1,264,097.77-508,086.75

Finding the Fourth Proportional to 915,998.20, 1,264,097.77 and 508,086.75

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Solution

The fourth proportional to 915,998.20, 1,264,097.77 and 508,086.75 is: 701,170.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,998.20 : 1,264,097.77 = 508,086.75 : x
  2. Step 2: Convert to fraction form
    915,998.20/1,264,097.77 = 508,086.75/x
  3. Step 3: Cross multiply
    915,998.20x = 1,264,097.77 × 508,086.75
  4. Step 4: Simplify right side
    915,998.20x = 642,271,327,641.55
  5. Step 5: Solve for x
    x = 642,271,327,641.55/915,998.20
  6. Step 6: Final answer
    x = 701,170.95

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Double scale
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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.