Home / 1,228,577.14-1,696,300.95-861,833.98

Finding the Fourth Proportional to 1,228,577.14, 1,696,300.95 and 861,833.98

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Solution

The fourth proportional to 1,228,577.14, 1,696,300.95 and 861,833.98 is: 1,189,937.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,577.14 : 1,696,300.95 = 861,833.98 : x
  2. Step 2: Convert to fraction form
    1,228,577.14/1,696,300.95 = 861,833.98/x
  3. Step 3: Cross multiply
    1,228,577.14x = 1,696,300.95 × 861,833.98
  4. Step 4: Simplify right side
    1,228,577.14x = 1,461,929,799,016.28
  5. Step 5: Solve for x
    x = 1,461,929,799,016.28/1,228,577.14
  6. Step 6: Final answer
    x = 1,189,937.33

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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.