Home / 876,010.60-1,313,918.70-717,963.40

Finding the Fourth Proportional to 876,010.60, 1,313,918.70 and 717,963.40

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Solution

The fourth proportional to 876,010.60, 1,313,918.70 and 717,963.40 is: 1,076,865.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,010.60 : 1,313,918.70 = 717,963.40 : x
  2. Step 2: Convert to fraction form
    876,010.60/1,313,918.70 = 717,963.40/x
  3. Step 3: Cross multiply
    876,010.60x = 1,313,918.70 × 717,963.40
  4. Step 4: Simplify right side
    876,010.60x = 943,345,537,175.58
  5. Step 5: Solve for x
    x = 943,345,537,175.58/876,010.60
  6. Step 6: Final answer
    x = 1,076,865.44

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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.