Home / 409,732.12-565,384.68-248,626.36

Finding the Fourth Proportional to 409,732.12, 565,384.68 and 248,626.36

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Solution

The fourth proportional to 409,732.12, 565,384.68 and 248,626.36 is: 343,076.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,732.12 : 565,384.68 = 248,626.36 : x
  2. Step 2: Convert to fraction form
    409,732.12/565,384.68 = 248,626.36/x
  3. Step 3: Cross multiply
    409,732.12x = 565,384.68 × 248,626.36
  4. Step 4: Simplify right side
    409,732.12x = 140,569,534,988.17
  5. Step 5: Solve for x
    x = 140,569,534,988.17/409,732.12
  6. Step 6: Final answer
    x = 343,076.68

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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.