Home / 827,300.40-1,241,242.20-798,140.40

Finding the Fourth Proportional to 827,300.40, 1,241,242.20 and 798,140.40

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Solution

The fourth proportional to 827,300.40, 1,241,242.20 and 798,140.40 is: 1,197,491.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,300.40 : 1,241,242.20 = 798,140.40 : x
  2. Step 2: Convert to fraction form
    827,300.40/1,241,242.20 = 798,140.40/x
  3. Step 3: Cross multiply
    827,300.40x = 1,241,242.20 × 798,140.40
  4. Step 4: Simplify right side
    827,300.40x = 990,685,546,004.88
  5. Step 5: Solve for x
    x = 990,685,546,004.88/827,300.40
  6. Step 6: Final answer
    x = 1,197,491.92

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1.5x scale

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.