Home / 610,742.43-916,176.42-211,382.55

Finding the Fourth Proportional to 610,742.43, 916,176.42 and 211,382.55

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Solution

The fourth proportional to 610,742.43, 916,176.42 and 211,382.55 is: 317,095.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,742.43 : 916,176.42 = 211,382.55 : x
  2. Step 2: Convert to fraction form
    610,742.43/916,176.42 = 211,382.55/x
  3. Step 3: Cross multiply
    610,742.43x = 916,176.42 × 211,382.55
  4. Step 4: Simplify right side
    610,742.43x = 193,663,707,909.47
  5. Step 5: Solve for x
    x = 193,663,707,909.47/610,742.43
  6. Step 6: Final answer
    x = 317,095.55

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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.