Home / 987,424.92-1,481,421.06-410,935.98

Finding the Fourth Proportional to 987,424.92, 1,481,421.06 and 410,935.98

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Solution

The fourth proportional to 987,424.92, 1,481,421.06 and 410,935.98 is: 616,522.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,424.92 : 1,481,421.06 = 410,935.98 : x
  2. Step 2: Convert to fraction form
    987,424.92/1,481,421.06 = 410,935.98/x
  3. Step 3: Cross multiply
    987,424.92x = 1,481,421.06 × 410,935.98
  4. Step 4: Simplify right side
    987,424.92x = 608,769,215,083.74
  5. Step 5: Solve for x
    x = 608,769,215,083.74/987,424.92
  6. Step 6: Final answer
    x = 616,522.03

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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.