Home / 766,403.11-1,057,636.59-444,299.95

Finding the Fourth Proportional to 766,403.11, 1,057,636.59 and 444,299.95

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Solution

The fourth proportional to 766,403.11, 1,057,636.59 and 444,299.95 is: 613,134.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,403.11 : 1,057,636.59 = 444,299.95 : x
  2. Step 2: Convert to fraction form
    766,403.11/1,057,636.59 = 444,299.95/x
  3. Step 3: Cross multiply
    766,403.11x = 1,057,636.59 × 444,299.95
  4. Step 4: Simplify right side
    766,403.11x = 469,907,884,055.17
  5. Step 5: Solve for x
    x = 469,907,884,055.17/766,403.11
  6. Step 6: Final answer
    x = 613,134.10

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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.