Home / 827,864.20-1,241,796.30-778,875.40

Finding the Fourth Proportional to 827,864.20, 1,241,796.30 and 778,875.40

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Solution

The fourth proportional to 827,864.20, 1,241,796.30 and 778,875.40 is: 1,168,313.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,864.20 : 1,241,796.30 = 778,875.40 : x
  2. Step 2: Convert to fraction form
    827,864.20/1,241,796.30 = 778,875.40/x
  3. Step 3: Cross multiply
    827,864.20x = 1,241,796.30 × 778,875.40
  4. Step 4: Simplify right side
    827,864.20x = 967,204,589,881.02
  5. Step 5: Solve for x
    x = 967,204,589,881.02/827,864.20
  6. Step 6: Final answer
    x = 1,168,313.10

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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.