Home / 889,356.20-1,334,909.10-440,583.80

Finding the Fourth Proportional to 889,356.20, 1,334,909.10 and 440,583.80

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Solution

The fourth proportional to 889,356.20, 1,334,909.10 and 440,583.80 is: 661,309.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,356.20 : 1,334,909.10 = 440,583.80 : x
  2. Step 2: Convert to fraction form
    889,356.20/1,334,909.10 = 440,583.80/x
  3. Step 3: Cross multiply
    889,356.20x = 1,334,909.10 × 440,583.80
  4. Step 4: Simplify right side
    889,356.20x = 588,139,323,932.58
  5. Step 5: Solve for x
    x = 588,139,323,932.58/889,356.20
  6. Step 6: Final answer
    x = 661,309.07

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1.5x scale

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.