Home / 818,077.76-1,128,641.94-816,814.76

Finding the Fourth Proportional to 818,077.76, 1,128,641.94 and 816,814.76

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Solution

The fourth proportional to 818,077.76, 1,128,641.94 and 816,814.76 is: 1,126,899.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,077.76 : 1,128,641.94 = 816,814.76 : x
  2. Step 2: Convert to fraction form
    818,077.76/1,128,641.94 = 816,814.76/x
  3. Step 3: Cross multiply
    818,077.76x = 1,128,641.94 × 816,814.76
  4. Step 4: Simplify right side
    818,077.76x = 921,891,395,347.03
  5. Step 5: Solve for x
    x = 921,891,395,347.03/818,077.76
  6. Step 6: Final answer
    x = 1,126,899.47

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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.