Home / 790,024.56-1,090,233.20-445,932.92

Finding the Fourth Proportional to 790,024.56, 1,090,233.20 and 445,932.92

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Solution

The fourth proportional to 790,024.56, 1,090,233.20 and 445,932.92 is: 615,387.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,024.56 : 1,090,233.20 = 445,932.92 : x
  2. Step 2: Convert to fraction form
    790,024.56/1,090,233.20 = 445,932.92/x
  3. Step 3: Cross multiply
    790,024.56x = 1,090,233.20 × 445,932.92
  4. Step 4: Simplify right side
    790,024.56x = 486,170,874,356.94
  5. Step 5: Solve for x
    x = 486,170,874,356.94/790,024.56
  6. Step 6: Final answer
    x = 615,387.04

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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.