Home / 1,087,890.93-1,631,273.20-488,335.82

Finding the Fourth Proportional to 1,087,890.93, 1,631,273.20 and 488,335.82

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Solution

The fourth proportional to 1,087,890.93, 1,631,273.20 and 488,335.82 is: 732,250.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,890.93 : 1,631,273.20 = 488,335.82 : x
  2. Step 2: Convert to fraction form
    1,087,890.93/1,631,273.20 = 488,335.82/x
  3. Step 3: Cross multiply
    1,087,890.93x = 1,631,273.20 × 488,335.82
  4. Step 4: Simplify right side
    1,087,890.93x = 796,609,126,388.82
  5. Step 5: Solve for x
    x = 796,609,126,388.82/1,087,890.93
  6. Step 6: Final answer
    x = 732,250.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.