Home / 854,695.02-1,179,514.80-492,109.86

Finding the Fourth Proportional to 854,695.02, 1,179,514.80 and 492,109.86

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Solution

The fourth proportional to 854,695.02, 1,179,514.80 and 492,109.86 is: 679,132.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,695.02 : 1,179,514.80 = 492,109.86 : x
  2. Step 2: Convert to fraction form
    854,695.02/1,179,514.80 = 492,109.86/x
  3. Step 3: Cross multiply
    854,695.02x = 1,179,514.80 × 492,109.86
  4. Step 4: Simplify right side
    854,695.02x = 580,450,863,095.93
  5. Step 5: Solve for x
    x = 580,450,863,095.93/854,695.02
  6. Step 6: Final answer
    x = 679,132.15

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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.