Home / 360,743.92-497,823.41-215,541.81

Finding the Fourth Proportional to 360,743.92, 497,823.41 and 215,541.81

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Solution

The fourth proportional to 360,743.92, 497,823.41 and 215,541.81 is: 297,445.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,743.92 : 497,823.41 = 215,541.81 : x
  2. Step 2: Convert to fraction form
    360,743.92/497,823.41 = 215,541.81/x
  3. Step 3: Cross multiply
    360,743.92x = 497,823.41 × 215,541.81
  4. Step 4: Simplify right side
    360,743.92x = 107,301,758,851.77
  5. Step 5: Solve for x
    x = 107,301,758,851.77/360,743.92
  6. Step 6: Final answer
    x = 297,445.79

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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.