Home / 527,258.15-727,612.61-285,535.19

Finding the Fourth Proportional to 527,258.15, 727,612.61 and 285,535.19

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Solution

The fourth proportional to 527,258.15, 727,612.61 and 285,535.19 is: 394,036.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,258.15 : 727,612.61 = 285,535.19 : x
  2. Step 2: Convert to fraction form
    527,258.15/727,612.61 = 285,535.19/x
  3. Step 3: Cross multiply
    527,258.15x = 727,612.61 × 285,535.19
  4. Step 4: Simplify right side
    527,258.15x = 207,758,999,777.01
  5. Step 5: Solve for x
    x = 207,758,999,777.01/527,258.15
  6. Step 6: Final answer
    x = 394,036.59

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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.