Home / 1,212,456.20-1,673,186.10-703,456.52

Finding the Fourth Proportional to 1,212,456.20, 1,673,186.10 and 703,456.52

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Solution

The fourth proportional to 1,212,456.20, 1,673,186.10 and 703,456.52 is: 970,767.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,456.20 : 1,673,186.10 = 703,456.52 : x
  2. Step 2: Convert to fraction form
    1,212,456.20/1,673,186.10 = 703,456.52/x
  3. Step 3: Cross multiply
    1,212,456.20x = 1,673,186.10 × 703,456.52
  4. Step 4: Simplify right side
    1,212,456.20x = 1,177,013,671,218.37
  5. Step 5: Solve for x
    x = 1,177,013,671,218.37/1,212,456.20
  6. Step 6: Final answer
    x = 970,767.99

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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.