Home / 417,964.63-576,967.77-282,182.51

Finding the Fourth Proportional to 417,964.63, 576,967.77 and 282,182.51

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Solution

The fourth proportional to 417,964.63, 576,967.77 and 282,182.51 is: 389,531.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,964.63 : 576,967.77 = 282,182.51 : x
  2. Step 2: Convert to fraction form
    417,964.63/576,967.77 = 282,182.51/x
  3. Step 3: Cross multiply
    417,964.63x = 576,967.77 × 282,182.51
  4. Step 4: Simplify right side
    417,964.63x = 162,810,213,527.70
  5. Step 5: Solve for x
    x = 162,810,213,527.70/417,964.63
  6. Step 6: Final answer
    x = 389,531.08

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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.