Home / 690,717.14-953,175.28-384,793.10

Finding the Fourth Proportional to 690,717.14, 953,175.28 and 384,793.10

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Solution

The fourth proportional to 690,717.14, 953,175.28 and 384,793.10 is: 531,006.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,717.14 : 953,175.28 = 384,793.10 : x
  2. Step 2: Convert to fraction form
    690,717.14/953,175.28 = 384,793.10/x
  3. Step 3: Cross multiply
    690,717.14x = 953,175.28 × 384,793.10
  4. Step 4: Simplify right side
    690,717.14x = 366,775,270,834.57
  5. Step 5: Solve for x
    x = 366,775,270,834.57/690,717.14
  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.