Home / 1,128,677.22-1,557,619.49-619,397.82

Finding the Fourth Proportional to 1,128,677.22, 1,557,619.49 and 619,397.82

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Solution

The fourth proportional to 1,128,677.22, 1,557,619.49 and 619,397.82 is: 854,793.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,677.22 : 1,557,619.49 = 619,397.82 : x
  2. Step 2: Convert to fraction form
    1,128,677.22/1,557,619.49 = 619,397.82/x
  3. Step 3: Cross multiply
    1,128,677.22x = 1,557,619.49 × 619,397.82
  4. Step 4: Simplify right side
    1,128,677.22x = 964,786,116,495.51
  5. Step 5: Solve for x
    x = 964,786,116,495.51/1,128,677.22
  6. Step 6: Final answer
    x = 854,793.65

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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.