Home / 424,802.75-586,216.58-231,214.23

Finding the Fourth Proportional to 424,802.75, 586,216.58 and 231,214.23

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Solution

The fourth proportional to 424,802.75, 586,216.58 and 231,214.23 is: 319,069.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,802.75 : 586,216.58 = 231,214.23 : x
  2. Step 2: Convert to fraction form
    424,802.75/586,216.58 = 231,214.23/x
  3. Step 3: Cross multiply
    424,802.75x = 586,216.58 × 231,214.23
  4. Step 4: Simplify right side
    424,802.75x = 135,541,614,001.86
  5. Step 5: Solve for x
    x = 135,541,614,001.86/424,802.75
  6. Step 6: Final answer
    x = 319,069.53

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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.