Home / 825,716.24-1,139,999.36-550,461.79

Finding the Fourth Proportional to 825,716.24, 1,139,999.36 and 550,461.79

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Solution

The fourth proportional to 825,716.24, 1,139,999.36 and 550,461.79 is: 759,977.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,716.24 : 1,139,999.36 = 550,461.79 : x
  2. Step 2: Convert to fraction form
    825,716.24/1,139,999.36 = 550,461.79/x
  3. Step 3: Cross multiply
    825,716.24x = 1,139,999.36 × 550,461.79
  4. Step 4: Simplify right side
    825,716.24x = 627,526,088,304.46
  5. Step 5: Solve for x
    x = 627,526,088,304.46/825,716.24
  6. Step 6: Final answer
    x = 759,977.89

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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.