Home / 1,308,613.20-1,805,981.36-799,411.56

Finding the Fourth Proportional to 1,308,613.20, 1,805,981.36 and 799,411.56

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Solution

The fourth proportional to 1,308,613.20, 1,805,981.36 and 799,411.56 is: 1,103,246.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,613.20 : 1,805,981.36 = 799,411.56 : x
  2. Step 2: Convert to fraction form
    1,308,613.20/1,805,981.36 = 799,411.56/x
  3. Step 3: Cross multiply
    1,308,613.20x = 1,805,981.36 × 799,411.56
  4. Step 4: Simplify right side
    1,308,613.20x = 1,443,722,376,328.52
  5. Step 5: Solve for x
    x = 1,443,722,376,328.52/1,308,613.20
  6. Step 6: Final answer
    x = 1,103,246.07

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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.