Home / 3,230,432.08-4,458,191.40-1,780,125.04

Finding the Fourth Proportional to 3,230,432.08, 4,458,191.40 and 1,780,125.04

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Solution

The fourth proportional to 3,230,432.08, 4,458,191.40 and 1,780,125.04 is: 2,456,680.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,230,432.08 : 4,458,191.40 = 1,780,125.04 : x
  2. Step 2: Convert to fraction form
    3,230,432.08/4,458,191.40 = 1,780,125.04/x
  3. Step 3: Cross multiply
    3,230,432.08x = 4,458,191.40 × 1,780,125.04
  4. Step 4: Simplify right side
    3,230,432.08x = 7,936,138,144,252.66
  5. Step 5: Solve for x
    x = 7,936,138,144,252.66/3,230,432.08
  6. Step 6: Final answer
    x = 2,456,680.08

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Double scale
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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.