Home / 466,176.45-643,619.23-319,247.26

Finding the Fourth Proportional to 466,176.45, 643,619.23 and 319,247.26

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Solution

The fourth proportional to 466,176.45, 643,619.23 and 319,247.26 is: 440,763.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,176.45 : 643,619.23 = 319,247.26 : x
  2. Step 2: Convert to fraction form
    466,176.45/643,619.23 = 319,247.26/x
  3. Step 3: Cross multiply
    466,176.45x = 643,619.23 × 319,247.26
  4. Step 4: Simplify right side
    466,176.45x = 205,473,675,660.81
  5. Step 5: Solve for x
    x = 205,473,675,660.81/466,176.45
  6. Step 6: Final answer
    x = 440,763.74

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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.