Home / 412,830.36-569,712.42-231,582.60

Finding the Fourth Proportional to 412,830.36, 569,712.42 and 231,582.60

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Solution

The fourth proportional to 412,830.36, 569,712.42 and 231,582.60 is: 319,587.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,830.36 : 569,712.42 = 231,582.60 : x
  2. Step 2: Convert to fraction form
    412,830.36/569,712.42 = 231,582.60/x
  3. Step 3: Cross multiply
    412,830.36x = 569,712.42 × 231,582.60
  4. Step 4: Simplify right side
    412,830.36x = 131,935,483,475.89
  5. Step 5: Solve for x
    x = 131,935,483,475.89/412,830.36
  6. Step 6: Final answer
    x = 319,587.65

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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.