Home / 412,821.86-569,700.69-231,574.10

Finding the Fourth Proportional to 412,821.86, 569,700.69 and 231,574.10

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Solution

The fourth proportional to 412,821.86, 569,700.69 and 231,574.10 is: 319,575.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,821.86 : 569,700.69 = 231,574.10 : x
  2. Step 2: Convert to fraction form
    412,821.86/569,700.69 = 231,574.10/x
  3. Step 3: Cross multiply
    412,821.86x = 569,700.69 × 231,574.10
  4. Step 4: Simplify right side
    412,821.86x = 131,927,924,556.13
  5. Step 5: Solve for x
    x = 131,927,924,556.13/412,821.86
  6. Step 6: Final answer
    x = 319,575.92

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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.