Home / 1,181,340.11-1,772,377.88-423,188.07

Finding the Fourth Proportional to 1,181,340.11, 1,772,377.88 and 423,188.07

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Solution

The fourth proportional to 1,181,340.11, 1,772,377.88 and 423,188.07 is: 634,913.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,340.11 : 1,772,377.88 = 423,188.07 : x
  2. Step 2: Convert to fraction form
    1,181,340.11/1,772,377.88 = 423,188.07/x
  3. Step 3: Cross multiply
    1,181,340.11x = 1,772,377.88 × 423,188.07
  4. Step 4: Simplify right side
    1,181,340.11x = 750,049,172,231.95
  5. Step 5: Solve for x
    x = 750,049,172,231.95/1,181,340.11
  6. Step 6: Final answer
    x = 634,913.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.