Home / 1,128,834.93-1,557,793.21-612,588.82

Finding the Fourth Proportional to 1,128,834.93, 1,557,793.21 and 612,588.82

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Solution

The fourth proportional to 1,128,834.93, 1,557,793.21 and 612,588.82 is: 845,373.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,834.93 : 1,557,793.21 = 612,588.82 : x
  2. Step 2: Convert to fraction form
    1,128,834.93/1,557,793.21 = 612,588.82/x
  3. Step 3: Cross multiply
    1,128,834.93x = 1,557,793.21 × 612,588.82
  4. Step 4: Simplify right side
    1,128,834.93x = 954,286,698,891.96
  5. Step 5: Solve for x
    x = 954,286,698,891.96/1,128,834.93
  6. Step 6: Final answer
    x = 845,373.11

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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.