Home / 984,678.78-1,358,860.41-622,263.72

Finding the Fourth Proportional to 984,678.78, 1,358,860.41 and 622,263.72

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Solution

The fourth proportional to 984,678.78, 1,358,860.41 and 622,263.72 is: 858,726.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,678.78 : 1,358,860.41 = 622,263.72 : x
  2. Step 2: Convert to fraction form
    984,678.78/1,358,860.41 = 622,263.72/x
  3. Step 3: Cross multiply
    984,678.78x = 1,358,860.41 × 622,263.72
  4. Step 4: Simplify right side
    984,678.78x = 845,569,533,687.33
  5. Step 5: Solve for x
    x = 845,569,533,687.33/984,678.78
  6. Step 6: Final answer
    x = 858,726.27

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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.