Home / 827,411.11-1,139,187.83-706,065.41

Finding the Fourth Proportional to 827,411.11, 1,139,187.83 and 706,065.41

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Solution

The fourth proportional to 827,411.11, 1,139,187.83 and 706,065.41 is: 972,117.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,411.11 : 1,139,187.83 = 706,065.41 : x
  2. Step 2: Convert to fraction form
    827,411.11/1,139,187.83 = 706,065.41/x
  3. Step 3: Cross multiply
    827,411.11x = 1,139,187.83 × 706,065.41
  4. Step 4: Simplify right side
    827,411.11x = 804,341,121,573.60
  5. Step 5: Solve for x
    x = 804,341,121,573.60/827,411.11
  6. Step 6: Final answer
    x = 972,117.87

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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.