Home / 862,359.12-1,181,437.70-830,036.61

Finding the Fourth Proportional to 862,359.12, 1,181,437.70 and 830,036.61

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Solution

The fourth proportional to 862,359.12, 1,181,437.70 and 830,036.61 is: 1,137,155.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,359.12 : 1,181,437.70 = 830,036.61 : x
  2. Step 2: Convert to fraction form
    862,359.12/1,181,437.70 = 830,036.61/x
  3. Step 3: Cross multiply
    862,359.12x = 1,181,437.70 × 830,036.61
  4. Step 4: Simplify right side
    862,359.12x = 980,636,539,284.01
  5. Step 5: Solve for x
    x = 980,636,539,284.01/862,359.12
  6. Step 6: Final answer
    x = 1,137,155.64

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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.