Home / 554,748.80-831,428.56-297,950.31

Finding the Fourth Proportional to 554,748.80, 831,428.56 and 297,950.31

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Solution

The fourth proportional to 554,748.80, 831,428.56 and 297,950.31 is: 446,552.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,748.80 : 831,428.56 = 297,950.31 : x
  2. Step 2: Convert to fraction form
    554,748.80/831,428.56 = 297,950.31/x
  3. Step 3: Cross multiply
    554,748.80x = 831,428.56 × 297,950.31
  4. Step 4: Simplify right side
    554,748.80x = 247,724,394,390.91
  5. Step 5: Solve for x
    x = 247,724,394,390.91/554,748.80
  6. Step 6: Final answer
    x = 446,552.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.