Home / 1,128,676.72-1,557,618.80-619,397.32

Finding the Fourth Proportional to 1,128,676.72, 1,557,618.80 and 619,397.32

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Solution

The fourth proportional to 1,128,676.72, 1,557,618.80 and 619,397.32 is: 854,792.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,676.72 : 1,557,618.80 = 619,397.32 : x
  2. Step 2: Convert to fraction form
    1,128,676.72/1,557,618.80 = 619,397.32/x
  3. Step 3: Cross multiply
    1,128,676.72x = 1,557,618.80 × 619,397.32
  4. Step 4: Simplify right side
    1,128,676.72x = 964,784,910,301.62
  5. Step 5: Solve for x
    x = 964,784,910,301.62/1,128,676.72
  6. Step 6: Final answer
    x = 854,792.96

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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.