Home / 1,206,319.68-1,665,288-696,923.64

Finding the Fourth Proportional to 1,206,319.68, 1,665,288 and 696,923.64

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Solution

The fourth proportional to 1,206,319.68, 1,665,288 and 696,923.64 is: 962,082.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,319.68 : 1,665,288 = 696,923.64 : x
  2. Step 2: Convert to fraction form
    1,206,319.68/1,665,288 = 696,923.64/x
  3. Step 3: Cross multiply
    1,206,319.68x = 1,665,288 × 696,923.64
  4. Step 4: Simplify right side
    1,206,319.68x = 1,160,578,574,608.32
  5. Step 5: Solve for x
    x = 1,160,578,574,608.32/1,206,319.68
  6. Step 6: Final answer
    x = 962,082.10

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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.