Home / 513,655.20-769,964.40-233,373.60

Finding the Fourth Proportional to 513,655.20, 769,964.40 and 233,373.60

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Solution

The fourth proportional to 513,655.20, 769,964.40 and 233,373.60 is: 349,824.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,655.20 : 769,964.40 = 233,373.60 : x
  2. Step 2: Convert to fraction form
    513,655.20/769,964.40 = 233,373.60/x
  3. Step 3: Cross multiply
    513,655.20x = 769,964.40 × 233,373.60
  4. Step 4: Simplify right side
    513,655.20x = 179,689,363,899.84
  5. Step 5: Solve for x
    x = 179,689,363,899.84/513,655.20
  6. Step 6: Final answer
    x = 349,824.87

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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.