Home / 678,033.13-935,814.72-448,594.96

Finding the Fourth Proportional to 678,033.13, 935,814.72 and 448,594.96

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Solution

The fourth proportional to 678,033.13, 935,814.72 and 448,594.96 is: 619,146.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,033.13 : 935,814.72 = 448,594.96 : x
  2. Step 2: Convert to fraction form
    678,033.13/935,814.72 = 448,594.96/x
  3. Step 3: Cross multiply
    678,033.13x = 935,814.72 × 448,594.96
  4. Step 4: Simplify right side
    678,033.13x = 419,801,766,885.81
  5. Step 5: Solve for x
    x = 419,801,766,885.81/678,033.13
  6. Step 6: Final answer
    x = 619,146.39

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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.