Home / 854,725.69-1,179,580.29-492,245.02

Finding the Fourth Proportional to 854,725.69, 1,179,580.29 and 492,245.02

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Solution

The fourth proportional to 854,725.69, 1,179,580.29 and 492,245.02 is: 679,332.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,725.69 : 1,179,580.29 = 492,245.02 : x
  2. Step 2: Convert to fraction form
    854,725.69/1,179,580.29 = 492,245.02/x
  3. Step 3: Cross multiply
    854,725.69x = 1,179,580.29 × 492,245.02
  4. Step 4: Simplify right side
    854,725.69x = 580,642,520,981.43
  5. Step 5: Solve for x
    x = 580,642,520,981.43/854,725.69
  6. Step 6: Final answer
    x = 679,332.01

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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.