Home / 889,583.40-1,331,264.70-814,933.80

Finding the Fourth Proportional to 889,583.40, 1,331,264.70 and 814,933.80

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Solution

The fourth proportional to 889,583.40, 1,331,264.70 and 814,933.80 is: 1,219,551.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,583.40 : 1,331,264.70 = 814,933.80 : x
  2. Step 2: Convert to fraction form
    889,583.40/1,331,264.70 = 814,933.80/x
  3. Step 3: Cross multiply
    889,583.40x = 1,331,264.70 × 814,933.80
  4. Step 4: Simplify right side
    889,583.40x = 1,084,892,600,776.86
  5. Step 5: Solve for x
    x = 1,084,892,600,776.86/889,583.40
  6. Step 6: Final answer
    x = 1,219,551.31

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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.