Home / 889,447.80-1,334,171.70-534,862.20

Finding the Fourth Proportional to 889,447.80, 1,334,171.70 and 534,862.20

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Solution

The fourth proportional to 889,447.80, 1,334,171.70 and 534,862.20 is: 802,293.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,447.80 : 1,334,171.70 = 534,862.20 : x
  2. Step 2: Convert to fraction form
    889,447.80/1,334,171.70 = 534,862.20/x
  3. Step 3: Cross multiply
    889,447.80x = 1,334,171.70 × 534,862.20
  4. Step 4: Simplify right side
    889,447.80x = 713,598,010,639.74
  5. Step 5: Solve for x
    x = 713,598,010,639.74/889,447.80
  6. Step 6: Final answer
    x = 802,293.30

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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.