Home / 876,072.30-1,314,108.45-787,598.70

Finding the Fourth Proportional to 876,072.30, 1,314,108.45 and 787,598.70

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Solution

The fourth proportional to 876,072.30, 1,314,108.45 and 787,598.70 is: 1,181,398.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,072.30 : 1,314,108.45 = 787,598.70 : x
  2. Step 2: Convert to fraction form
    876,072.30/1,314,108.45 = 787,598.70/x
  3. Step 3: Cross multiply
    876,072.30x = 1,314,108.45 × 787,598.70
  4. Step 4: Simplify right side
    876,072.30x = 1,034,990,106,879.01
  5. Step 5: Solve for x
    x = 1,034,990,106,879.01/876,072.30
  6. Step 6: Final answer
    x = 1,181,398.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.