Home / 855,641.62-1,181,342.50-549,835.84

Finding the Fourth Proportional to 855,641.62, 1,181,342.50 and 549,835.84

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Solution

The fourth proportional to 855,641.62, 1,181,342.50 and 549,835.84 is: 759,131.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,641.62 : 1,181,342.50 = 549,835.84 : x
  2. Step 2: Convert to fraction form
    855,641.62/1,181,342.50 = 549,835.84/x
  3. Step 3: Cross multiply
    855,641.62x = 1,181,342.50 × 549,835.84
  4. Step 4: Simplify right side
    855,641.62x = 649,544,445,815.20
  5. Step 5: Solve for x
    x = 649,544,445,815.20/855,641.62
  6. Step 6: Final answer
    x = 759,131.43

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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.