Home / 825,719.70-1,140,004.14-550,465.23

Finding the Fourth Proportional to 825,719.70, 1,140,004.14 and 550,465.23

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Solution

The fourth proportional to 825,719.70, 1,140,004.14 and 550,465.23 is: 759,982.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,719.70 : 1,140,004.14 = 550,465.23 : x
  2. Step 2: Convert to fraction form
    825,719.70/1,140,004.14 = 550,465.23/x
  3. Step 3: Cross multiply
    825,719.70x = 1,140,004.14 × 550,465.23
  4. Step 4: Simplify right side
    825,719.70x = 627,532,641,126.05
  5. Step 5: Solve for x
    x = 627,532,641,126.05/825,719.70
  6. Step 6: Final answer
    x = 759,982.64

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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.