Home / 527,258.78-727,613.26-285,535.74

Finding the Fourth Proportional to 527,258.78, 727,613.26 and 285,535.74

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Solution

The fourth proportional to 527,258.78, 727,613.26 and 285,535.74 is: 394,037.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,258.78 : 727,613.26 = 285,535.74 : x
  2. Step 2: Convert to fraction form
    527,258.78/727,613.26 = 285,535.74/x
  3. Step 3: Cross multiply
    527,258.78x = 727,613.26 × 285,535.74
  4. Step 4: Simplify right side
    527,258.78x = 207,759,590,627.91
  5. Step 5: Solve for x
    x = 207,759,590,627.91/527,258.78
  6. Step 6: Final answer
    x = 394,037.23

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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.