Home / 407,423.72-562,218.17-226,126.89

Finding the Fourth Proportional to 407,423.72, 562,218.17 and 226,126.89

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Solution

The fourth proportional to 407,423.72, 562,218.17 and 226,126.89 is: 312,040.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,423.72 : 562,218.17 = 226,126.89 : x
  2. Step 2: Convert to fraction form
    407,423.72/562,218.17 = 226,126.89/x
  3. Step 3: Cross multiply
    407,423.72x = 562,218.17 × 226,126.89
  4. Step 4: Simplify right side
    407,423.72x = 127,132,645,152.96
  5. Step 5: Solve for x
    x = 127,132,645,152.96/407,423.72
  6. Step 6: Final answer
    x = 312,040.36

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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.