Home / 527,302.44-727,673.76-285,579.50

Finding the Fourth Proportional to 527,302.44, 727,673.76 and 285,579.50

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Solution

The fourth proportional to 527,302.44, 727,673.76 and 285,579.50 is: 394,097.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,302.44 : 727,673.76 = 285,579.50 : x
  2. Step 2: Convert to fraction form
    527,302.44/727,673.76 = 285,579.50/x
  3. Step 3: Cross multiply
    527,302.44x = 727,673.76 × 285,579.50
  4. Step 4: Simplify right side
    527,302.44x = 207,808,708,543.92
  5. Step 5: Solve for x
    x = 207,808,708,543.92/527,302.44
  6. Step 6: Final answer
    x = 394,097.76

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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.