Home / 986,619.40-1,361,534.72-533,910.40

Finding the Fourth Proportional to 986,619.40, 1,361,534.72 and 533,910.40

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Solution

The fourth proportional to 986,619.40, 1,361,534.72 and 533,910.40 is: 736,796.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,619.40 : 1,361,534.72 = 533,910.40 : x
  2. Step 2: Convert to fraction form
    986,619.40/1,361,534.72 = 533,910.40/x
  3. Step 3: Cross multiply
    986,619.40x = 1,361,534.72 × 533,910.40
  4. Step 4: Simplify right side
    986,619.40x = 726,937,546,969.09
  5. Step 5: Solve for x
    x = 726,937,546,969.09/986,619.40
  6. Step 6: Final answer
    x = 736,796.32

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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.