Home / 379,423.20-523,605.34-207,341.14

Finding the Fourth Proportional to 379,423.20, 523,605.34 and 207,341.14

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Solution

The fourth proportional to 379,423.20, 523,605.34 and 207,341.14 is: 286,131.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,423.20 : 523,605.34 = 207,341.14 : x
  2. Step 2: Convert to fraction form
    379,423.20/523,605.34 = 207,341.14/x
  3. Step 3: Cross multiply
    379,423.20x = 523,605.34 × 207,341.14
  4. Step 4: Simplify right side
    379,423.20x = 108,564,928,105.69
  5. Step 5: Solve for x
    x = 108,564,928,105.69/379,423.20
  6. Step 6: Final answer
    x = 286,131.50

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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.