Home / 1,324,519.84-1,985,223.60-613,045.12

Finding the Fourth Proportional to 1,324,519.84, 1,985,223.60 and 613,045.12

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Solution

The fourth proportional to 1,324,519.84, 1,985,223.60 and 613,045.12 is: 918,847.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,519.84 : 1,985,223.60 = 613,045.12 : x
  2. Step 2: Convert to fraction form
    1,324,519.84/1,985,223.60 = 613,045.12/x
  3. Step 3: Cross multiply
    1,324,519.84x = 1,985,223.60 × 613,045.12
  4. Step 4: Simplify right side
    1,324,519.84x = 1,217,031,640,088.83
  5. Step 5: Solve for x
    x = 1,217,031,640,088.83/1,324,519.84
  6. Step 6: Final answer
    x = 918,847.42

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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.