Home / 776,136.92-1,071,067.27-436,605.17

Finding the Fourth Proportional to 776,136.92, 1,071,067.27 and 436,605.17

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Solution

The fourth proportional to 776,136.92, 1,071,067.27 and 436,605.17 is: 602,514.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,136.92 : 1,071,067.27 = 436,605.17 : x
  2. Step 2: Convert to fraction form
    776,136.92/1,071,067.27 = 436,605.17/x
  3. Step 3: Cross multiply
    776,136.92x = 1,071,067.27 × 436,605.17
  4. Step 4: Simplify right side
    776,136.92x = 467,633,505,316.76
  5. Step 5: Solve for x
    x = 467,633,505,316.76/776,136.92
  6. Step 6: Final answer
    x = 602,514.19

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Double scale
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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.