Home / 891,083.34-1,229,760.18-509,101.92

Finding the Fourth Proportional to 891,083.34, 1,229,760.18 and 509,101.92

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Solution

The fourth proportional to 891,083.34, 1,229,760.18 and 509,101.92 is: 702,597.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,083.34 : 1,229,760.18 = 509,101.92 : x
  2. Step 2: Convert to fraction form
    891,083.34/1,229,760.18 = 509,101.92/x
  3. Step 3: Cross multiply
    891,083.34x = 1,229,760.18 × 509,101.92
  4. Step 4: Simplify right side
    891,083.34x = 626,073,268,777.55
  5. Step 5: Solve for x
    x = 626,073,268,777.55/891,083.34
  6. Step 6: Final answer
    x = 702,597.88

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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.