Home / 526,906.02-727,132.23-285,191.76

Finding the Fourth Proportional to 526,906.02, 727,132.23 and 285,191.76

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Solution

The fourth proportional to 526,906.02, 727,132.23 and 285,191.76 is: 393,565.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,906.02 : 727,132.23 = 285,191.76 : x
  2. Step 2: Convert to fraction form
    526,906.02/727,132.23 = 285,191.76/x
  3. Step 3: Cross multiply
    526,906.02x = 727,132.23 × 285,191.76
  4. Step 4: Simplify right side
    526,906.02x = 207,372,120,426.43
  5. Step 5: Solve for x
    x = 207,372,120,426.43/526,906.02
  6. Step 6: Final answer
    x = 393,565.67

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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.