Home / 476,983.68-715,256.96-284,946.24

Finding the Fourth Proportional to 476,983.68, 715,256.96 and 284,946.24

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Solution

The fourth proportional to 476,983.68, 715,256.96 and 284,946.24 is: 427,288.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,983.68 : 715,256.96 = 284,946.24 : x
  2. Step 2: Convert to fraction form
    476,983.68/715,256.96 = 284,946.24/x
  3. Step 3: Cross multiply
    476,983.68x = 715,256.96 × 284,946.24
  4. Step 4: Simplify right side
    476,983.68x = 203,809,781,385.83
  5. Step 5: Solve for x
    x = 203,809,781,385.83/476,983.68
  6. Step 6: Final answer
    x = 427,288.79

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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.