Home / 638,704.14-881,424.48-412,743.30

Finding the Fourth Proportional to 638,704.14, 881,424.48 and 412,743.30

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Solution

The fourth proportional to 638,704.14, 881,424.48 and 412,743.30 is: 569,594.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,704.14 : 881,424.48 = 412,743.30 : x
  2. Step 2: Convert to fraction form
    638,704.14/881,424.48 = 412,743.30/x
  3. Step 3: Cross multiply
    638,704.14x = 881,424.48 × 412,743.30
  4. Step 4: Simplify right side
    638,704.14x = 363,802,048,575.98
  5. Step 5: Solve for x
    x = 363,802,048,575.98/638,704.14
  6. Step 6: Final answer
    x = 569,594.00

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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.