Home / 1,401,630.12-1,934,677.32-878,623.92

Finding the Fourth Proportional to 1,401,630.12, 1,934,677.32 and 878,623.92

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Solution

The fourth proportional to 1,401,630.12, 1,934,677.32 and 878,623.92 is: 1,212,769.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,401,630.12 : 1,934,677.32 = 878,623.92 : x
  2. Step 2: Convert to fraction form
    1,401,630.12/1,934,677.32 = 878,623.92/x
  3. Step 3: Cross multiply
    1,401,630.12x = 1,934,677.32 × 878,623.92
  4. Step 4: Simplify right side
    1,401,630.12x = 1,699,853,770,833.49
  5. Step 5: Solve for x
    x = 1,699,853,770,833.49/1,401,630.12
  6. Step 6: Final answer
    x = 1,212,769.15

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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.