Home / 1,987,842.76-2,981,409.20-528,897.59

Finding the Fourth Proportional to 1,987,842.76, 2,981,409.20 and 528,897.59

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Solution

The fourth proportional to 1,987,842.76, 2,981,409.20 and 528,897.59 is: 793,251.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,987,842.76 : 2,981,409.20 = 528,897.59 : x
  2. Step 2: Convert to fraction form
    1,987,842.76/2,981,409.20 = 528,897.59/x
  3. Step 3: Cross multiply
    1,987,842.76x = 2,981,409.20 × 528,897.59
  4. Step 4: Simplify right side
    1,987,842.76x = 1,576,860,140,683.83
  5. Step 5: Solve for x
    x = 1,576,860,140,683.83/1,987,842.76
  6. Step 6: Final answer
    x = 793,251.95

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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.