Home / 468,721.23-646,835.07-253,861.29

Finding the Fourth Proportional to 468,721.23, 646,835.07 and 253,861.29

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Solution

The fourth proportional to 468,721.23, 646,835.07 and 253,861.29 is: 350,328.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,721.23 : 646,835.07 = 253,861.29 : x
  2. Step 2: Convert to fraction form
    468,721.23/646,835.07 = 253,861.29/x
  3. Step 3: Cross multiply
    468,721.23x = 646,835.07 × 253,861.29
  4. Step 4: Simplify right side
    468,721.23x = 164,206,385,287.44
  5. Step 5: Solve for x
    x = 164,206,385,287.44/468,721.23
  6. Step 6: Final answer
    x = 350,328.46

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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.