Home / 861,567.03-1,189,096.20-517,594.46

Finding the Fourth Proportional to 861,567.03, 1,189,096.20 and 517,594.46

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Solution

The fourth proportional to 861,567.03, 1,189,096.20 and 517,594.46 is: 714,360.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,567.03 : 1,189,096.20 = 517,594.46 : x
  2. Step 2: Convert to fraction form
    861,567.03/1,189,096.20 = 517,594.46/x
  3. Step 3: Cross multiply
    861,567.03x = 1,189,096.20 × 517,594.46
  4. Step 4: Simplify right side
    861,567.03x = 615,469,599,581.57
  5. Step 5: Solve for x
    x = 615,469,599,581.57/861,567.03
  6. Step 6: Final answer
    x = 714,360.67

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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.