Home / 903,716.76-1,247,141.86-495,811.19

Finding the Fourth Proportional to 903,716.76, 1,247,141.86 and 495,811.19

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Solution

The fourth proportional to 903,716.76, 1,247,141.86 and 495,811.19 is: 684,226.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,716.76 : 1,247,141.86 = 495,811.19 : x
  2. Step 2: Convert to fraction form
    903,716.76/1,247,141.86 = 495,811.19/x
  3. Step 3: Cross multiply
    903,716.76x = 1,247,141.86 × 495,811.19
  4. Step 4: Simplify right side
    903,716.76x = 618,346,891,583.74
  5. Step 5: Solve for x
    x = 618,346,891,583.74/903,716.76
  6. Step 6: Final answer
    x = 684,226.43

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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.