Home / 397,023.22-595,279.63-261,931.06

Finding the Fourth Proportional to 397,023.22, 595,279.63 and 261,931.06

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Solution

The fourth proportional to 397,023.22, 595,279.63 and 261,931.06 is: 392,728.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,023.22 : 595,279.63 = 261,931.06 : x
  2. Step 2: Convert to fraction form
    397,023.22/595,279.63 = 261,931.06/x
  3. Step 3: Cross multiply
    397,023.22x = 595,279.63 × 261,931.06
  4. Step 4: Simplify right side
    397,023.22x = 155,922,224,482.31
  5. Step 5: Solve for x
    x = 155,922,224,482.31/397,023.22
  6. Step 6: Final answer
    x = 392,728.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.