Home / 1,136,441.33-1,568,326.70-620,223.47

Finding the Fourth Proportional to 1,136,441.33, 1,568,326.70 and 620,223.47

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Solution

The fourth proportional to 1,136,441.33, 1,568,326.70 and 620,223.47 is: 855,928.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,441.33 : 1,568,326.70 = 620,223.47 : x
  2. Step 2: Convert to fraction form
    1,136,441.33/1,568,326.70 = 620,223.47/x
  3. Step 3: Cross multiply
    1,136,441.33x = 1,568,326.70 × 620,223.47
  4. Step 4: Simplify right side
    1,136,441.33x = 972,713,024,866.53
  5. Step 5: Solve for x
    x = 972,713,024,866.53/1,136,441.33
  6. Step 6: Final answer
    x = 855,928.94

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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.