Home / 690,717.15-953,175.27-384,793.11

Finding the Fourth Proportional to 690,717.15, 953,175.27 and 384,793.11

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Solution

The fourth proportional to 690,717.15, 953,175.27 and 384,793.11 is: 531,006.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,717.15 : 953,175.27 = 384,793.11 : x
  2. Step 2: Convert to fraction form
    690,717.15/953,175.27 = 384,793.11/x
  3. Step 3: Cross multiply
    690,717.15x = 953,175.27 × 384,793.11
  4. Step 4: Simplify right side
    690,717.15x = 366,775,276,518.39
  5. Step 5: Solve for x
    x = 366,775,276,518.39/690,717.15
  6. Step 6: Final answer
    x = 531,006.47

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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.