Home / 690,717.16-953,175.26-384,793.12

Finding the Fourth Proportional to 690,717.16, 953,175.26 and 384,793.12

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Solution

The fourth proportional to 690,717.16, 953,175.26 and 384,793.12 is: 531,006.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,717.16 : 953,175.26 = 384,793.12 : x
  2. Step 2: Convert to fraction form
    690,717.16/953,175.26 = 384,793.12/x
  3. Step 3: Cross multiply
    690,717.16x = 953,175.26 × 384,793.12
  4. Step 4: Simplify right side
    690,717.16x = 366,775,282,202.21
  5. Step 5: Solve for x
    x = 366,775,282,202.21/690,717.16
  6. Step 6: Final answer
    x = 531,006.47

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1.5x scale

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.