Home / 827,187.40-1,240,781.10-743,206.60

Finding the Fourth Proportional to 827,187.40, 1,240,781.10 and 743,206.60

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Solution

The fourth proportional to 827,187.40, 1,240,781.10 and 743,206.60 is: 1,114,809.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,187.40 : 1,240,781.10 = 743,206.60 : x
  2. Step 2: Convert to fraction form
    827,187.40/1,240,781.10 = 743,206.60/x
  3. Step 3: Cross multiply
    827,187.40x = 1,240,781.10 × 743,206.60
  4. Step 4: Simplify right side
    827,187.40x = 922,156,702,675.26
  5. Step 5: Solve for x
    x = 922,156,702,675.26/827,187.40
  6. Step 6: Final answer
    x = 1,114,809.90

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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.