Home / 684,114.98-944,072.39-378,199.31

Finding the Fourth Proportional to 684,114.98, 944,072.39 and 378,199.31

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Solution

The fourth proportional to 684,114.98, 944,072.39 and 378,199.31 is: 521,911.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,114.98 : 944,072.39 = 378,199.31 : x
  2. Step 2: Convert to fraction form
    684,114.98/944,072.39 = 378,199.31/x
  3. Step 3: Cross multiply
    684,114.98x = 944,072.39 × 378,199.31
  4. Step 4: Simplify right side
    684,114.98x = 357,047,524,597.05
  5. Step 5: Solve for x
    x = 357,047,524,597.05/684,114.98
  6. Step 6: Final answer
    x = 521,911.57

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1.5x scale

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.