Home / 826,391.41-1,140,420.11-463,815.26

Finding the Fourth Proportional to 826,391.41, 1,140,420.11 and 463,815.26

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Solution

The fourth proportional to 826,391.41, 1,140,420.11 and 463,815.26 is: 640,065.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,391.41 : 1,140,420.11 = 463,815.26 : x
  2. Step 2: Convert to fraction form
    826,391.41/1,140,420.11 = 463,815.26/x
  3. Step 3: Cross multiply
    826,391.41x = 1,140,420.11 × 463,815.26
  4. Step 4: Simplify right side
    826,391.41x = 528,944,245,286.32
  5. Step 5: Solve for x
    x = 528,944,245,286.32/826,391.41
  6. Step 6: Final answer
    x = 640,065.04

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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.