Home / 684,479.18-1,020,553.83-627,571.04

Finding the Fourth Proportional to 684,479.18, 1,020,553.83 and 627,571.04

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Solution

The fourth proportional to 684,479.18, 1,020,553.83 and 627,571.04 is: 935,704.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,479.18 : 1,020,553.83 = 627,571.04 : x
  2. Step 2: Convert to fraction form
    684,479.18/1,020,553.83 = 627,571.04/x
  3. Step 3: Cross multiply
    684,479.18x = 1,020,553.83 × 627,571.04
  4. Step 4: Simplify right side
    684,479.18x = 640,470,025,331.23
  5. Step 5: Solve for x
    x = 640,470,025,331.23/684,479.18
  6. Step 6: Final answer
    x = 935,704.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.