Home / 1,028,101.36-1,418,611.16-645,857.52

Finding the Fourth Proportional to 1,028,101.36, 1,418,611.16 and 645,857.52

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Solution

The fourth proportional to 1,028,101.36, 1,418,611.16 and 645,857.52 is: 891,177.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,101.36 : 1,418,611.16 = 645,857.52 : x
  2. Step 2: Convert to fraction form
    1,028,101.36/1,418,611.16 = 645,857.52/x
  3. Step 3: Cross multiply
    1,028,101.36x = 1,418,611.16 × 645,857.52
  4. Step 4: Simplify right side
    1,028,101.36x = 916,220,685,641.92
  5. Step 5: Solve for x
    x = 916,220,685,641.92/1,028,101.36
  6. Step 6: Final answer
    x = 891,177.39

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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.