Home / 994,561.20-1,372,446.72-564,784.56

Finding the Fourth Proportional to 994,561.20, 1,372,446.72 and 564,784.56

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Solution

The fourth proportional to 994,561.20, 1,372,446.72 and 564,784.56 is: 779,375.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,561.20 : 1,372,446.72 = 564,784.56 : x
  2. Step 2: Convert to fraction form
    994,561.20/1,372,446.72 = 564,784.56/x
  3. Step 3: Cross multiply
    994,561.20x = 1,372,446.72 × 564,784.56
  4. Step 4: Simplify right side
    994,561.20x = 775,136,716,878.64
  5. Step 5: Solve for x
    x = 775,136,716,878.64/994,561.20
  6. Step 6: Final answer
    x = 779,375.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.