Home / 691,865.09-954,732.66-401,454.17

Finding the Fourth Proportional to 691,865.09, 954,732.66 and 401,454.17

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Solution

The fourth proportional to 691,865.09, 954,732.66 and 401,454.17 is: 553,982.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,865.09 : 954,732.66 = 401,454.17 : x
  2. Step 2: Convert to fraction form
    691,865.09/954,732.66 = 401,454.17/x
  3. Step 3: Cross multiply
    691,865.09x = 954,732.66 × 401,454.17
  4. Step 4: Simplify right side
    691,865.09x = 383,281,407,592.19
  5. Step 5: Solve for x
    x = 383,281,407,592.19/691,865.09
  6. Step 6: Final answer
    x = 553,982.87

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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.