Home / 417,963.63-576,966.39-282,181.51

Finding the Fourth Proportional to 417,963.63, 576,966.39 and 282,181.51

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Solution

The fourth proportional to 417,963.63, 576,966.39 and 282,181.51 is: 389,529.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,963.63 : 576,966.39 = 282,181.51 : x
  2. Step 2: Convert to fraction form
    417,963.63/576,966.39 = 282,181.51/x
  3. Step 3: Cross multiply
    417,963.63x = 576,966.39 × 282,181.51
  4. Step 4: Simplify right side
    417,963.63x = 162,809,242,853.71
  5. Step 5: Solve for x
    x = 162,809,242,853.71/417,963.63
  6. Step 6: Final answer
    x = 389,529.69

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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.