Home / 986,712.10-1,361,662.77-534,003.10

Finding the Fourth Proportional to 986,712.10, 1,361,662.77 and 534,003.10

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Solution

The fourth proportional to 986,712.10, 1,361,662.77 and 534,003.10 is: 736,924.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,712.10 : 1,361,662.77 = 534,003.10 : x
  2. Step 2: Convert to fraction form
    986,712.10/1,361,662.77 = 534,003.10/x
  3. Step 3: Cross multiply
    986,712.10x = 1,361,662.77 × 534,003.10
  4. Step 4: Simplify right side
    986,712.10x = 727,132,140,334.59
  5. Step 5: Solve for x
    x = 727,132,140,334.59/986,712.10
  6. Step 6: Final answer
    x = 736,924.32

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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.