Home / 893,834.84-1,233,516.39-485,964.11

Finding the Fourth Proportional to 893,834.84, 1,233,516.39 and 485,964.11

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Solution

The fourth proportional to 893,834.84, 1,233,516.39 and 485,964.11 is: 670,643.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,834.84 : 1,233,516.39 = 485,964.11 : x
  2. Step 2: Convert to fraction form
    893,834.84/1,233,516.39 = 485,964.11/x
  3. Step 3: Cross multiply
    893,834.84x = 1,233,516.39 × 485,964.11
  4. Step 4: Simplify right side
    893,834.84x = 599,444,694,636.76
  5. Step 5: Solve for x
    x = 599,444,694,636.76/893,834.84
  6. Step 6: Final answer
    x = 670,643.69

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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.