Home / 801,299.54-1,105,881.27-510,921.41

Finding the Fourth Proportional to 801,299.54, 1,105,881.27 and 510,921.41

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Solution

The fourth proportional to 801,299.54, 1,105,881.27 and 510,921.41 is: 705,127.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,299.54 : 1,105,881.27 = 510,921.41 : x
  2. Step 2: Convert to fraction form
    801,299.54/1,105,881.27 = 510,921.41/x
  3. Step 3: Cross multiply
    801,299.54x = 1,105,881.27 × 510,921.41
  4. Step 4: Simplify right side
    801,299.54x = 565,018,417,760.99
  5. Step 5: Solve for x
    x = 565,018,417,760.99/801,299.54
  6. Step 6: Final answer
    x = 705,127.60

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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.