Home / 854,392.21-1,178,631.37-563,697.37

Finding the Fourth Proportional to 854,392.21, 1,178,631.37 and 563,697.37

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Solution

The fourth proportional to 854,392.21, 1,178,631.37 and 563,697.37 is: 777,618.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,392.21 : 1,178,631.37 = 563,697.37 : x
  2. Step 2: Convert to fraction form
    854,392.21/1,178,631.37 = 563,697.37/x
  3. Step 3: Cross multiply
    854,392.21x = 1,178,631.37 × 563,697.37
  4. Step 4: Simplify right side
    854,392.21x = 664,391,402,439.55
  5. Step 5: Solve for x
    x = 664,391,402,439.55/854,392.21
  6. Step 6: Final answer
    x = 777,618.75

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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.