Home / 926,200.80-1,389,301.20-889,459.20

Finding the Fourth Proportional to 926,200.80, 1,389,301.20 and 889,459.20

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Solution

The fourth proportional to 926,200.80, 1,389,301.20 and 889,459.20 is: 1,334,188.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,200.80 : 1,389,301.20 = 889,459.20 : x
  2. Step 2: Convert to fraction form
    926,200.80/1,389,301.20 = 889,459.20/x
  3. Step 3: Cross multiply
    926,200.80x = 1,389,301.20 × 889,459.20
  4. Step 4: Simplify right side
    926,200.80x = 1,235,726,733,911.04
  5. Step 5: Solve for x
    x = 1,235,726,733,911.04/926,200.80
  6. Step 6: Final answer
    x = 1,334,188.80

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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.