Home / 745,576.20-1,117,258.38-547,616.52

Finding the Fourth Proportional to 745,576.20, 1,117,258.38 and 547,616.52

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Solution

The fourth proportional to 745,576.20, 1,117,258.38 and 547,616.52 is: 820,612.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,576.20 : 1,117,258.38 = 547,616.52 : x
  2. Step 2: Convert to fraction form
    745,576.20/1,117,258.38 = 547,616.52/x
  3. Step 3: Cross multiply
    745,576.20x = 1,117,258.38 × 547,616.52
  4. Step 4: Simplify right side
    745,576.20x = 611,829,145,996.44
  5. Step 5: Solve for x
    x = 611,829,145,996.44/745,576.20
  6. Step 6: Final answer
    x = 820,612.50

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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.