Home / 1,354,909.14-2,032,362.65-408,279.87

Finding the Fourth Proportional to 1,354,909.14, 2,032,362.65 and 408,279.87

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Solution

The fourth proportional to 1,354,909.14, 2,032,362.65 and 408,279.87 is: 612,419.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,354,909.14 : 2,032,362.65 = 408,279.87 : x
  2. Step 2: Convert to fraction form
    1,354,909.14/2,032,362.65 = 408,279.87/x
  3. Step 3: Cross multiply
    1,354,909.14x = 2,032,362.65 × 408,279.87
  4. Step 4: Simplify right side
    1,354,909.14x = 829,772,756,493.46
  5. Step 5: Solve for x
    x = 829,772,756,493.46/1,354,909.14
  6. Step 6: Final answer
    x = 612,419.48

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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.