Home / 827,864.40-1,241,796.60-670,400.40

Finding the Fourth Proportional to 827,864.40, 1,241,796.60 and 670,400.40

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Solution

The fourth proportional to 827,864.40, 1,241,796.60 and 670,400.40 is: 1,005,600.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,864.40 : 1,241,796.60 = 670,400.40 : x
  2. Step 2: Convert to fraction form
    827,864.40/1,241,796.60 = 670,400.40/x
  3. Step 3: Cross multiply
    827,864.40x = 1,241,796.60 × 670,400.40
  4. Step 4: Simplify right side
    827,864.40x = 832,500,937,358.64
  5. Step 5: Solve for x
    x = 832,500,937,358.64/827,864.40
  6. Step 6: Final answer
    x = 1,005,600.60

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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.