Home / 649,901.25-974,761.68-200,636.91

Finding the Fourth Proportional to 649,901.25, 974,761.68 and 200,636.91

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Solution

The fourth proportional to 649,901.25, 974,761.68 and 200,636.91 is: 300,927.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,901.25 : 974,761.68 = 200,636.91 : x
  2. Step 2: Convert to fraction form
    649,901.25/974,761.68 = 200,636.91/x
  3. Step 3: Cross multiply
    649,901.25x = 974,761.68 × 200,636.91
  4. Step 4: Simplify right side
    649,901.25x = 195,573,171,461.61
  5. Step 5: Solve for x
    x = 195,573,171,461.61/649,901.25
  6. Step 6: Final answer
    x = 300,927.52

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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.