Home / 454,020.56-626,264.36-326,494.16

Finding the Fourth Proportional to 454,020.56, 626,264.36 and 326,494.16

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Solution

The fourth proportional to 454,020.56, 626,264.36 and 326,494.16 is: 450,357.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,020.56 : 626,264.36 = 326,494.16 : x
  2. Step 2: Convert to fraction form
    454,020.56/626,264.36 = 326,494.16/x
  3. Step 3: Cross multiply
    454,020.56x = 626,264.36 × 326,494.16
  4. Step 4: Simplify right side
    454,020.56x = 204,471,656,156.14
  5. Step 5: Solve for x
    x = 204,471,656,156.14/454,020.56
  6. Step 6: Final answer
    x = 450,357.70

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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.