Home / 691,865.45-954,798.03-401,455.14

Finding the Fourth Proportional to 691,865.45, 954,798.03 and 401,455.14

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Solution

The fourth proportional to 691,865.45, 954,798.03 and 401,455.14 is: 554,021.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,865.45 : 954,798.03 = 401,455.14 : x
  2. Step 2: Convert to fraction form
    691,865.45/954,798.03 = 401,455.14/x
  3. Step 3: Cross multiply
    691,865.45x = 954,798.03 × 401,455.14
  4. Step 4: Simplify right side
    691,865.45x = 383,308,573,224.88
  5. Step 5: Solve for x
    x = 383,308,573,224.88/691,865.45
  6. Step 6: Final answer
    x = 554,021.85

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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.