Home / 723,396.57-1,084,723.06-424,466.47

Finding the Fourth Proportional to 723,396.57, 1,084,723.06 and 424,466.47

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Solution

The fourth proportional to 723,396.57, 1,084,723.06 and 424,466.47 is: 636,481.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,396.57 : 1,084,723.06 = 424,466.47 : x
  2. Step 2: Convert to fraction form
    723,396.57/1,084,723.06 = 424,466.47/x
  3. Step 3: Cross multiply
    723,396.57x = 1,084,723.06 × 424,466.47
  4. Step 4: Simplify right side
    723,396.57x = 460,428,566,083.47
  5. Step 5: Solve for x
    x = 460,428,566,083.47/723,396.57
  6. Step 6: Final answer
    x = 636,481.55

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1.5x scale

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.