Home / 690,714.15-953,171.13-384,790.11

Finding the Fourth Proportional to 690,714.15, 953,171.13 and 384,790.11

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Solution

The fourth proportional to 690,714.15, 953,171.13 and 384,790.11 is: 531,002.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,714.15 : 953,171.13 = 384,790.11 : x
  2. Step 2: Convert to fraction form
    690,714.15/953,171.13 = 384,790.11/x
  3. Step 3: Cross multiply
    690,714.15x = 953,171.13 × 384,790.11
  4. Step 4: Simplify right side
    690,714.15x = 366,770,823,961.52
  5. Step 5: Solve for x
    x = 366,770,823,961.52/690,714.15
  6. Step 6: Final answer
    x = 531,002.33

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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.