Home / 409,061.04-564,658.32-239,349.84

Finding the Fourth Proportional to 409,061.04, 564,658.32 and 239,349.84

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Solution

The fourth proportional to 409,061.04, 564,658.32 and 239,349.84 is: 330,392.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,061.04 : 564,658.32 = 239,349.84 : x
  2. Step 2: Convert to fraction form
    409,061.04/564,658.32 = 239,349.84/x
  3. Step 3: Cross multiply
    409,061.04x = 564,658.32 × 239,349.84
  4. Step 4: Simplify right side
    409,061.04x = 135,150,878,546.67
  5. Step 5: Solve for x
    x = 135,150,878,546.67/409,061.04
  6. Step 6: Final answer
    x = 330,392.94

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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.