Home / 1,201,001.76-1,801,503.90-491,029.80

Finding the Fourth Proportional to 1,201,001.76, 1,801,503.90 and 491,029.80

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Solution

The fourth proportional to 1,201,001.76, 1,801,503.90 and 491,029.80 is: 736,545.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,001.76 : 1,801,503.90 = 491,029.80 : x
  2. Step 2: Convert to fraction form
    1,201,001.76/1,801,503.90 = 491,029.80/x
  3. Step 3: Cross multiply
    1,201,001.76x = 1,801,503.90 × 491,029.80
  4. Step 4: Simplify right side
    1,201,001.76x = 884,592,099,716.22
  5. Step 5: Solve for x
    x = 884,592,099,716.22/1,201,001.76
  6. Step 6: Final answer
    x = 736,545.22

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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.