Home / 424,126.05-585,279.13-233,138.07

Finding the Fourth Proportional to 424,126.05, 585,279.13 and 233,138.07

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Solution

The fourth proportional to 424,126.05, 585,279.13 and 233,138.07 is: 321,722.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,126.05 : 585,279.13 = 233,138.07 : x
  2. Step 2: Convert to fraction form
    424,126.05/585,279.13 = 233,138.07/x
  3. Step 3: Cross multiply
    424,126.05x = 585,279.13 × 233,138.07
  4. Step 4: Simplify right side
    424,126.05x = 136,450,848,607.72
  5. Step 5: Solve for x
    x = 136,450,848,607.72/424,126.05
  6. Step 6: Final answer
    x = 321,722.40

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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.