Home / 1,203,042.78-1,660,177.35-713,341.89

Finding the Fourth Proportional to 1,203,042.78, 1,660,177.35 and 713,341.89

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Solution

The fourth proportional to 1,203,042.78, 1,660,177.35 and 713,341.89 is: 984,398.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,042.78 : 1,660,177.35 = 713,341.89 : x
  2. Step 2: Convert to fraction form
    1,203,042.78/1,660,177.35 = 713,341.89/x
  3. Step 3: Cross multiply
    1,203,042.78x = 1,660,177.35 × 713,341.89
  4. Step 4: Simplify right side
    1,203,042.78x = 1,184,274,048,584.19
  5. Step 5: Solve for x
    x = 1,184,274,048,584.19/1,203,042.78
  6. Step 6: Final answer
    x = 984,398.95

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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.