Home / 1,036,340.72-1,554,511.07-404,811.66

Finding the Fourth Proportional to 1,036,340.72, 1,554,511.07 and 404,811.66

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Solution

The fourth proportional to 1,036,340.72, 1,554,511.07 and 404,811.66 is: 607,217.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,340.72 : 1,554,511.07 = 404,811.66 : x
  2. Step 2: Convert to fraction form
    1,036,340.72/1,554,511.07 = 404,811.66/x
  3. Step 3: Cross multiply
    1,036,340.72x = 1,554,511.07 × 404,811.66
  4. Step 4: Simplify right side
    1,036,340.72x = 629,284,204,711.02
  5. Step 5: Solve for x
    x = 629,284,204,711.02/1,036,340.72
  6. Step 6: Final answer
    x = 607,217.49

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Double scale
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Similar ratio
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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.