Home / 782,166.48-1,079,389.68-424,470.48

Finding the Fourth Proportional to 782,166.48, 1,079,389.68 and 424,470.48

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Solution

The fourth proportional to 782,166.48, 1,079,389.68 and 424,470.48 is: 585,769.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,166.48 : 1,079,389.68 = 424,470.48 : x
  2. Step 2: Convert to fraction form
    782,166.48/1,079,389.68 = 424,470.48/x
  3. Step 3: Cross multiply
    782,166.48x = 1,079,389.68 × 424,470.48
  4. Step 4: Simplify right side
    782,166.48x = 458,169,055,576.65
  5. Step 5: Solve for x
    x = 458,169,055,576.65/782,166.48
  6. Step 6: Final answer
    x = 585,769.23

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1.5x scale

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.