Home / 889,687.45-1,334,531.18-534,518.65

Finding the Fourth Proportional to 889,687.45, 1,334,531.18 and 534,518.65

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Solution

The fourth proportional to 889,687.45, 1,334,531.18 and 534,518.65 is: 801,777.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,687.45 : 1,334,531.18 = 534,518.65 : x
  2. Step 2: Convert to fraction form
    889,687.45/1,334,531.18 = 534,518.65/x
  3. Step 3: Cross multiply
    889,687.45x = 1,334,531.18 × 534,518.65
  4. Step 4: Simplify right side
    889,687.45x = 713,331,802,043.91
  5. Step 5: Solve for x
    x = 713,331,802,043.91/889,687.45
  6. Step 6: Final answer
    x = 801,777.98

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Double scale
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Similar ratio
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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.