Home / 862,406.60-1,181,501.29-830,083.97

Finding the Fourth Proportional to 862,406.60, 1,181,501.29 and 830,083.97

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Solution

The fourth proportional to 862,406.60, 1,181,501.29 and 830,083.97 is: 1,137,219.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,406.60 : 1,181,501.29 = 830,083.97 : x
  2. Step 2: Convert to fraction form
    862,406.60/1,181,501.29 = 830,083.97/x
  3. Step 3: Cross multiply
    862,406.60x = 1,181,501.29 × 830,083.97
  4. Step 4: Simplify right side
    862,406.60x = 980,745,281,363.32
  5. Step 5: Solve for x
    x = 980,745,281,363.32/862,406.60
  6. Step 6: Final answer
    x = 1,137,219.13

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.