Home / 471,836.25-651,141.45-256,976.15

Finding the Fourth Proportional to 471,836.25, 651,141.45 and 256,976.15

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Solution

The fourth proportional to 471,836.25, 651,141.45 and 256,976.15 is: 354,631.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,836.25 : 651,141.45 = 256,976.15 : x
  2. Step 2: Convert to fraction form
    471,836.25/651,141.45 = 256,976.15/x
  3. Step 3: Cross multiply
    471,836.25x = 651,141.45 × 256,976.15
  4. Step 4: Simplify right side
    471,836.25x = 167,327,819,670.71
  5. Step 5: Solve for x
    x = 167,327,819,670.71/471,836.25
  6. Step 6: Final answer
    x = 354,631.12

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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.