Home / 855,640.62-1,181,341.12-549,834.84

Finding the Fourth Proportional to 855,640.62, 1,181,341.12 and 549,834.84

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Solution

The fourth proportional to 855,640.62, 1,181,341.12 and 549,834.84 is: 759,130.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,640.62 : 1,181,341.12 = 549,834.84 : x
  2. Step 2: Convert to fraction form
    855,640.62/1,181,341.12 = 549,834.84/x
  3. Step 3: Cross multiply
    855,640.62x = 1,181,341.12 × 549,834.84
  4. Step 4: Simplify right side
    855,640.62x = 649,542,505,700.62
  5. Step 5: Solve for x
    x = 649,542,505,700.62/855,640.62
  6. Step 6: Final answer
    x = 759,130.05

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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.