Home / 1,191,179.40-1,785,979.23-432,930.84

Finding the Fourth Proportional to 1,191,179.40, 1,785,979.23 and 432,930.84

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Solution

The fourth proportional to 1,191,179.40, 1,785,979.23 and 432,930.84 is: 649,109.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,179.40 : 1,785,979.23 = 432,930.84 : x
  2. Step 2: Convert to fraction form
    1,191,179.40/1,785,979.23 = 432,930.84/x
  3. Step 3: Cross multiply
    1,191,179.40x = 1,785,979.23 × 432,930.84
  4. Step 4: Simplify right side
    1,191,179.40x = 773,205,488,266.45
  5. Step 5: Solve for x
    x = 773,205,488,266.45/1,191,179.40
  6. Step 6: Final answer
    x = 649,109.18

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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.