Home / 527,188.74-727,517.16-285,466.20

Finding the Fourth Proportional to 527,188.74, 727,517.16 and 285,466.20

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Solution

The fourth proportional to 527,188.74, 727,517.16 and 285,466.20 is: 393,941.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,188.74 : 727,517.16 = 285,466.20 : x
  2. Step 2: Convert to fraction form
    527,188.74/727,517.16 = 285,466.20/x
  3. Step 3: Cross multiply
    527,188.74x = 727,517.16 × 285,466.20
  4. Step 4: Simplify right side
    527,188.74x = 207,681,559,099.99
  5. Step 5: Solve for x
    x = 207,681,559,099.99/527,188.74
  6. Step 6: Final answer
    x = 393,941.57

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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.