Home / 527,272.65-727,632.60-285,549.69

Finding the Fourth Proportional to 527,272.65, 727,632.60 and 285,549.69

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Solution

The fourth proportional to 527,272.65, 727,632.60 and 285,549.69 is: 394,056.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,272.65 : 727,632.60 = 285,549.69 : x
  2. Step 2: Convert to fraction form
    527,272.65/727,632.60 = 285,549.69/x
  3. Step 3: Cross multiply
    527,272.65x = 727,632.60 × 285,549.69
  4. Step 4: Simplify right side
    527,272.65x = 207,775,263,363.89
  5. Step 5: Solve for x
    x = 207,775,263,363.89/527,272.65
  6. Step 6: Final answer
    x = 394,056.59

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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.