Home / 409,061.34-563,976.95-335,199.20

Finding the Fourth Proportional to 409,061.34, 563,976.95 and 335,199.20

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Solution

The fourth proportional to 409,061.34, 563,976.95 and 335,199.20 is: 462,142.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,061.34 : 563,976.95 = 335,199.20 : x
  2. Step 2: Convert to fraction form
    409,061.34/563,976.95 = 335,199.20/x
  3. Step 3: Cross multiply
    409,061.34x = 563,976.95 × 335,199.20
  4. Step 4: Simplify right side
    409,061.34x = 189,044,617,962.56
  5. Step 5: Solve for x
    x = 189,044,617,962.56/409,061.34
  6. Step 6: Final answer
    x = 462,142.47

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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.