Home / 851,920.62-1,278,117.38-473,107.38

Finding the Fourth Proportional to 851,920.62, 1,278,117.38 and 473,107.38

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Solution

The fourth proportional to 851,920.62, 1,278,117.38 and 473,107.38 is: 709,792.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,920.62 : 1,278,117.38 = 473,107.38 : x
  2. Step 2: Convert to fraction form
    851,920.62/1,278,117.38 = 473,107.38/x
  3. Step 3: Cross multiply
    851,920.62x = 1,278,117.38 × 473,107.38
  4. Step 4: Simplify right side
    851,920.62x = 604,686,762,618.73
  5. Step 5: Solve for x
    x = 604,686,762,618.73/851,920.62
  6. Step 6: Final answer
    x = 709,792.38

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1.5x scale

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.