Home / 1,557,710.40-2,149,600.64-878,593.28

Finding the Fourth Proportional to 1,557,710.40, 2,149,600.64 and 878,593.28

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Solution

The fourth proportional to 1,557,710.40, 2,149,600.64 and 878,593.28 is: 1,212,436.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,710.40 : 2,149,600.64 = 878,593.28 : x
  2. Step 2: Convert to fraction form
    1,557,710.40/2,149,600.64 = 878,593.28/x
  3. Step 3: Cross multiply
    1,557,710.40x = 2,149,600.64 × 878,593.28
  4. Step 4: Simplify right side
    1,557,710.40x = 1,888,624,676,987.70
  5. Step 5: Solve for x
    x = 1,888,624,676,987.70/1,557,710.40
  6. Step 6: Final answer
    x = 1,212,436.33

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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.