Home / 776,584.11-1,072,016.75-522,082.92

Finding the Fourth Proportional to 776,584.11, 1,072,016.75 and 522,082.92

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Solution

The fourth proportional to 776,584.11, 1,072,016.75 and 522,082.92 is: 720,696.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,584.11 : 1,072,016.75 = 522,082.92 : x
  2. Step 2: Convert to fraction form
    776,584.11/1,072,016.75 = 522,082.92/x
  3. Step 3: Cross multiply
    776,584.11x = 1,072,016.75 × 522,082.92
  4. Step 4: Simplify right side
    776,584.11x = 559,681,632,518.50
  5. Step 5: Solve for x
    x = 559,681,632,518.50/776,584.11
  6. Step 6: Final answer
    x = 720,696.73

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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.