Home / 819,000.30-1,133,999.55-756,014.70

Finding the Fourth Proportional to 819,000.30, 1,133,999.55 and 756,014.70

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Solution

The fourth proportional to 819,000.30, 1,133,999.55 and 756,014.70 is: 1,046,788.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,000.30 : 1,133,999.55 = 756,014.70 : x
  2. Step 2: Convert to fraction form
    819,000.30/1,133,999.55 = 756,014.70/x
  3. Step 3: Cross multiply
    819,000.30x = 1,133,999.55 × 756,014.70
  4. Step 4: Simplify right side
    819,000.30x = 857,320,329,593.39
  5. Step 5: Solve for x
    x = 857,320,329,593.39/819,000.30
  6. Step 6: Final answer
    x = 1,046,788.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.