Home / 387,141.81-579,778.29-232,824.02

Finding the Fourth Proportional to 387,141.81, 579,778.29 and 232,824.02

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Solution

The fourth proportional to 387,141.81, 579,778.29 and 232,824.02 is: 348,674.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,141.81 : 579,778.29 = 232,824.02 : x
  2. Step 2: Convert to fraction form
    387,141.81/579,778.29 = 232,824.02/x
  3. Step 3: Cross multiply
    387,141.81x = 579,778.29 × 232,824.02
  4. Step 4: Simplify right side
    387,141.81x = 134,986,309,287.63
  5. Step 5: Solve for x
    x = 134,986,309,287.63/387,141.81
  6. Step 6: Final answer
    x = 348,674.07

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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.