Home / 687,251.18-945,043.50-596,449.50

Finding the Fourth Proportional to 687,251.18, 945,043.50 and 596,449.50

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Solution

The fourth proportional to 687,251.18, 945,043.50 and 596,449.50 is: 820,181.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,251.18 : 945,043.50 = 596,449.50 : x
  2. Step 2: Convert to fraction form
    687,251.18/945,043.50 = 596,449.50/x
  3. Step 3: Cross multiply
    687,251.18x = 945,043.50 × 596,449.50
  4. Step 4: Simplify right side
    687,251.18x = 563,670,723,706.86
  5. Step 5: Solve for x
    x = 563,670,723,706.86/687,251.18
  6. Step 6: Final answer
    x = 820,181.53

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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.