Home / 876,617.80-1,314,926.70-561,689.80

Finding the Fourth Proportional to 876,617.80, 1,314,926.70 and 561,689.80

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Solution

The fourth proportional to 876,617.80, 1,314,926.70 and 561,689.80 is: 842,534.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,617.80 : 1,314,926.70 = 561,689.80 : x
  2. Step 2: Convert to fraction form
    876,617.80/1,314,926.70 = 561,689.80/x
  3. Step 3: Cross multiply
    876,617.80x = 1,314,926.70 × 561,689.80
  4. Step 4: Simplify right side
    876,617.80x = 738,580,915,137.66
  5. Step 5: Solve for x
    x = 738,580,915,137.66/876,617.80
  6. Step 6: Final answer
    x = 842,534.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.