Home / 1,536,434.92-2,120,084.58-857,400.04

Finding the Fourth Proportional to 1,536,434.92, 2,120,084.58 and 857,400.04

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Solution

The fourth proportional to 1,536,434.92, 2,120,084.58 and 857,400.04 is: 1,183,102.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,536,434.92 : 2,120,084.58 = 857,400.04 : x
  2. Step 2: Convert to fraction form
    1,536,434.92/2,120,084.58 = 857,400.04/x
  3. Step 3: Cross multiply
    1,536,434.92x = 2,120,084.58 × 857,400.04
  4. Step 4: Simplify right side
    1,536,434.92x = 1,817,760,603,695.38
  5. Step 5: Solve for x
    x = 1,817,760,603,695.38/1,536,434.92
  6. Step 6: Final answer
    x = 1,183,102.90

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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.