Home / 903,716.73-1,247,141.81-495,811.16

Finding the Fourth Proportional to 903,716.73, 1,247,141.81 and 495,811.16

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Solution

The fourth proportional to 903,716.73, 1,247,141.81 and 495,811.16 is: 684,226.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,716.73 : 1,247,141.81 = 495,811.16 : x
  2. Step 2: Convert to fraction form
    903,716.73/1,247,141.81 = 495,811.16/x
  3. Step 3: Cross multiply
    903,716.73x = 1,247,141.81 × 495,811.16
  4. Step 4: Simplify right side
    903,716.73x = 618,346,825,622.27
  5. Step 5: Solve for x
    x = 618,346,825,622.27/903,716.73
  6. Step 6: Final answer
    x = 684,226.38

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Double scale
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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.