Home / 878,432.04-1,315,137.78-822,631.14

Finding the Fourth Proportional to 878,432.04, 1,315,137.78 and 822,631.14

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Solution

The fourth proportional to 878,432.04, 1,315,137.78 and 822,631.14 is: 1,231,595.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,432.04 : 1,315,137.78 = 822,631.14 : x
  2. Step 2: Convert to fraction form
    878,432.04/1,315,137.78 = 822,631.14/x
  3. Step 3: Cross multiply
    878,432.04x = 1,315,137.78 × 822,631.14
  4. Step 4: Simplify right side
    878,432.04x = 1,081,873,291,218.47
  5. Step 5: Solve for x
    x = 1,081,873,291,218.47/878,432.04
  6. Step 6: Final answer
    x = 1,231,595.89

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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.