Home / 1,236,645.36-1,706,481.54-692,689.14

Finding the Fourth Proportional to 1,236,645.36, 1,706,481.54 and 692,689.14

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Solution

The fourth proportional to 1,236,645.36, 1,706,481.54 and 692,689.14 is: 955,861.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,645.36 : 1,706,481.54 = 692,689.14 : x
  2. Step 2: Convert to fraction form
    1,236,645.36/1,706,481.54 = 692,689.14/x
  3. Step 3: Cross multiply
    1,236,645.36x = 1,706,481.54 × 692,689.14
  4. Step 4: Simplify right side
    1,236,645.36x = 1,182,061,230,368.48
  5. Step 5: Solve for x
    x = 1,182,061,230,368.48/1,236,645.36
  6. Step 6: Final answer
    x = 955,861.13

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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.