Home / 372,792.24-514,422.83-209,439.84

Finding the Fourth Proportional to 372,792.24, 514,422.83 and 209,439.84

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Solution

The fourth proportional to 372,792.24, 514,422.83 and 209,439.84 is: 289,009.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,792.24 : 514,422.83 = 209,439.84 : x
  2. Step 2: Convert to fraction form
    372,792.24/514,422.83 = 209,439.84/x
  3. Step 3: Cross multiply
    372,792.24x = 514,422.83 × 209,439.84
  4. Step 4: Simplify right side
    372,792.24x = 107,740,637,660.23
  5. Step 5: Solve for x
    x = 107,740,637,660.23/372,792.24
  6. Step 6: Final answer
    x = 289,009.87

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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.