Home / 467,748.70-645,493.13-252,888.76

Finding the Fourth Proportional to 467,748.70, 645,493.13 and 252,888.76

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Solution

The fourth proportional to 467,748.70, 645,493.13 and 252,888.76 is: 348,986.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,748.70 : 645,493.13 = 252,888.76 : x
  2. Step 2: Convert to fraction form
    467,748.70/645,493.13 = 252,888.76/x
  3. Step 3: Cross multiply
    467,748.70x = 645,493.13 × 252,888.76
  4. Step 4: Simplify right side
    467,748.70x = 163,237,957,234.22
  5. Step 5: Solve for x
    x = 163,237,957,234.22/467,748.70
  6. Step 6: Final answer
    x = 348,986.45

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Double scale
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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.