Home / 1,557,947.60-2,338,233.60-611,997.20

Finding the Fourth Proportional to 1,557,947.60, 2,338,233.60 and 611,997.20

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Solution

The fourth proportional to 1,557,947.60, 2,338,233.60 and 611,997.20 is: 918,511.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,947.60 : 2,338,233.60 = 611,997.20 : x
  2. Step 2: Convert to fraction form
    1,557,947.60/2,338,233.60 = 611,997.20/x
  3. Step 3: Cross multiply
    1,557,947.60x = 2,338,233.60 × 611,997.20
  4. Step 4: Simplify right side
    1,557,947.60x = 1,430,992,416,145.92
  5. Step 5: Solve for x
    x = 1,430,992,416,145.92/1,557,947.60
  6. Step 6: Final answer
    x = 918,511.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.