Home / 1,527,893.70-2,108,492.72-839,609.90

Finding the Fourth Proportional to 1,527,893.70, 2,108,492.72 and 839,609.90

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Solution

The fourth proportional to 1,527,893.70, 2,108,492.72 and 839,609.90 is: 1,158,661.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,527,893.70 : 2,108,492.72 = 839,609.90 : x
  2. Step 2: Convert to fraction form
    1,527,893.70/2,108,492.72 = 839,609.90/x
  3. Step 3: Cross multiply
    1,527,893.70x = 2,108,492.72 × 839,609.90
  4. Step 4: Simplify right side
    1,527,893.70x = 1,770,311,361,789.93
  5. Step 5: Solve for x
    x = 1,770,311,361,789.93/1,527,893.70
  6. Step 6: Final answer
    x = 1,158,661.34

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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.