Home / 1,211,133.68-1,816,640.12-452,919.39

Finding the Fourth Proportional to 1,211,133.68, 1,816,640.12 and 452,919.39

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Solution

The fourth proportional to 1,211,133.68, 1,816,640.12 and 452,919.39 is: 679,356.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,133.68 : 1,816,640.12 = 452,919.39 : x
  2. Step 2: Convert to fraction form
    1,211,133.68/1,816,640.12 = 452,919.39/x
  3. Step 3: Cross multiply
    1,211,133.68x = 1,816,640.12 × 452,919.39
  4. Step 4: Simplify right side
    1,211,133.68x = 822,791,532,735.33
  5. Step 5: Solve for x
    x = 822,791,532,735.33/1,211,133.68
  6. Step 6: Final answer
    x = 679,356.50

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.