Home / 619,979.32-929,102.85-335,055.61

Finding the Fourth Proportional to 619,979.32, 929,102.85 and 335,055.61

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Solution

The fourth proportional to 619,979.32, 929,102.85 and 335,055.61 is: 502,115.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,979.32 : 929,102.85 = 335,055.61 : x
  2. Step 2: Convert to fraction form
    619,979.32/929,102.85 = 335,055.61/x
  3. Step 3: Cross multiply
    619,979.32x = 929,102.85 × 335,055.61
  4. Step 4: Simplify right side
    619,979.32x = 311,301,122,159.49
  5. Step 5: Solve for x
    x = 311,301,122,159.49/619,979.32
  6. Step 6: Final answer
    x = 502,115.33

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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.