Home / 1,128,750.32-1,557,694.44-619,500.08

Finding the Fourth Proportional to 1,128,750.32, 1,557,694.44 and 619,500.08

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Solution

The fourth proportional to 1,128,750.32, 1,557,694.44 and 619,500.08 is: 854,920.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,750.32 : 1,557,694.44 = 619,500.08 : x
  2. Step 2: Convert to fraction form
    1,128,750.32/1,557,694.44 = 619,500.08/x
  3. Step 3: Cross multiply
    1,128,750.32x = 1,557,694.44 × 619,500.08
  4. Step 4: Simplify right side
    1,128,750.32x = 964,991,830,195.56
  5. Step 5: Solve for x
    x = 964,991,830,195.56/1,128,750.32
  6. Step 6: Final answer
    x = 854,920.54

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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.