Home / 1,987,841.76-2,981,407.70-528,896.59

Finding the Fourth Proportional to 1,987,841.76, 2,981,407.70 and 528,896.59

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Solution

The fourth proportional to 1,987,841.76, 2,981,407.70 and 528,896.59 is: 793,250.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,987,841.76 : 2,981,407.70 = 528,896.59 : x
  2. Step 2: Convert to fraction form
    1,987,841.76/2,981,407.70 = 528,896.59/x
  3. Step 3: Cross multiply
    1,987,841.76x = 2,981,407.70 × 528,896.59
  4. Step 4: Simplify right side
    1,987,841.76x = 1,576,856,359,798.47
  5. Step 5: Solve for x
    x = 1,576,856,359,798.47/1,987,841.76
  6. Step 6: Final answer
    x = 793,250.45

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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.