Home / 526,834.53-727,031.70-285,118.85

Finding the Fourth Proportional to 526,834.53, 727,031.70 and 285,118.85

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Solution

The fourth proportional to 526,834.53, 727,031.70 and 285,118.85 is: 393,464.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,834.53 : 727,031.70 = 285,118.85 : x
  2. Step 2: Convert to fraction form
    526,834.53/727,031.70 = 285,118.85/x
  3. Step 3: Cross multiply
    526,834.53x = 727,031.70 × 285,118.85
  4. Step 4: Simplify right side
    526,834.53x = 207,290,444,035.12
  5. Step 5: Solve for x
    x = 207,290,444,035.12/526,834.53
  6. Step 6: Final answer
    x = 393,464.04

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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.