Home / 527,246.56-727,599.15-285,528.39

Finding the Fourth Proportional to 527,246.56, 727,599.15 and 285,528.39

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Solution

The fourth proportional to 527,246.56, 727,599.15 and 285,528.39 is: 394,028.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,246.56 : 727,599.15 = 285,528.39 : x
  2. Step 2: Convert to fraction form
    527,246.56/727,599.15 = 285,528.39/x
  3. Step 3: Cross multiply
    527,246.56x = 727,599.15 × 285,528.39
  4. Step 4: Simplify right side
    527,246.56x = 207,750,211,332.05
  5. Step 5: Solve for x
    x = 207,750,211,332.05/527,246.56
  6. Step 6: Final answer
    x = 394,028.57

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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.