Home / 360,815.33-497,912.90-199,677.17

Finding the Fourth Proportional to 360,815.33, 497,912.90 and 199,677.17

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Solution

The fourth proportional to 360,815.33, 497,912.90 and 199,677.17 is: 275,547.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,815.33 : 497,912.90 = 199,677.17 : x
  2. Step 2: Convert to fraction form
    360,815.33/497,912.90 = 199,677.17/x
  3. Step 3: Cross multiply
    360,815.33x = 497,912.90 × 199,677.17
  4. Step 4: Simplify right side
    360,815.33x = 99,421,838,778.49
  5. Step 5: Solve for x
    x = 99,421,838,778.49/360,815.33
  6. Step 6: Final answer
    x = 275,547.71

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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.