Home / 691,983.18-954,960.42-401,572.35

Finding the Fourth Proportional to 691,983.18, 954,960.42 and 401,572.35

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Solution

The fourth proportional to 691,983.18, 954,960.42 and 401,572.35 is: 554,183.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,983.18 : 954,960.42 = 401,572.35 : x
  2. Step 2: Convert to fraction form
    691,983.18/954,960.42 = 401,572.35/x
  3. Step 3: Cross multiply
    691,983.18x = 954,960.42 × 401,572.35
  4. Step 4: Simplify right side
    691,983.18x = 383,485,700,016.39
  5. Step 5: Solve for x
    x = 383,485,700,016.39/691,983.18
  6. Step 6: Final answer
    x = 554,183.56

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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.