Home / 745,546.88-1,117,387.08-587,149.76

Finding the Fourth Proportional to 745,546.88, 1,117,387.08 and 587,149.76

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Solution

The fourth proportional to 745,546.88, 1,117,387.08 and 587,149.76 is: 879,989.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,546.88 : 1,117,387.08 = 587,149.76 : x
  2. Step 2: Convert to fraction form
    745,546.88/1,117,387.08 = 587,149.76/x
  3. Step 3: Cross multiply
    745,546.88x = 1,117,387.08 × 587,149.76
  4. Step 4: Simplify right side
    745,546.88x = 656,073,555,849.10
  5. Step 5: Solve for x
    x = 656,073,555,849.10/745,546.88
  6. Step 6: Final answer
    x = 879,989.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.