Home / 1,128,673.72-1,557,614.66-619,394.32

Finding the Fourth Proportional to 1,128,673.72, 1,557,614.66 and 619,394.32

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Solution

The fourth proportional to 1,128,673.72, 1,557,614.66 and 619,394.32 is: 854,788.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,673.72 : 1,557,614.66 = 619,394.32 : x
  2. Step 2: Convert to fraction form
    1,128,673.72/1,557,614.66 = 619,394.32/x
  3. Step 3: Cross multiply
    1,128,673.72x = 1,557,614.66 × 619,394.32
  4. Step 4: Simplify right side
    1,128,673.72x = 964,777,673,152.73
  5. Step 5: Solve for x
    x = 964,777,673,152.73/1,128,673.72
  6. Step 6: Final answer
    x = 854,788.82

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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.