Home / 1,128,239.46-1,557,010.98-618,956.82

Finding the Fourth Proportional to 1,128,239.46, 1,557,010.98 and 618,956.82

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Solution

The fourth proportional to 1,128,239.46, 1,557,010.98 and 618,956.82 is: 854,182.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,239.46 : 1,557,010.98 = 618,956.82 : x
  2. Step 2: Convert to fraction form
    1,128,239.46/1,557,010.98 = 618,956.82/x
  3. Step 3: Cross multiply
    1,128,239.46x = 1,557,010.98 × 618,956.82
  4. Step 4: Simplify right side
    1,128,239.46x = 963,722,564,885.88
  5. Step 5: Solve for x
    x = 963,722,564,885.88/1,128,239.46
  6. Step 6: Final answer
    x = 854,182.64

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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.