Home / 467,840.16-645,618.96-252,979.92

Finding the Fourth Proportional to 467,840.16, 645,618.96 and 252,979.92

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Solution

The fourth proportional to 467,840.16, 645,618.96 and 252,979.92 is: 349,112.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,840.16 : 645,618.96 = 252,979.92 : x
  2. Step 2: Convert to fraction form
    467,840.16/645,618.96 = 252,979.92/x
  3. Step 3: Cross multiply
    467,840.16x = 645,618.96 × 252,979.92
  4. Step 4: Simplify right side
    467,840.16x = 163,328,632,851.28
  5. Step 5: Solve for x
    x = 163,328,632,851.28/467,840.16
  6. Step 6: Final answer
    x = 349,112.04

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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.