Home / 826,191.12-1,139,233.06-571,099.44

Finding the Fourth Proportional to 826,191.12, 1,139,233.06 and 571,099.44

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Solution

The fourth proportional to 826,191.12, 1,139,233.06 and 571,099.44 is: 787,487.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,191.12 : 1,139,233.06 = 571,099.44 : x
  2. Step 2: Convert to fraction form
    826,191.12/1,139,233.06 = 571,099.44/x
  3. Step 3: Cross multiply
    826,191.12x = 1,139,233.06 × 571,099.44
  4. Step 4: Simplify right side
    826,191.12x = 650,615,362,595.49
  5. Step 5: Solve for x
    x = 650,615,362,595.49/826,191.12
  6. Step 6: Final answer
    x = 787,487.72

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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.