Home / 561,664.36-842,706.96-291,623.95

Finding the Fourth Proportional to 561,664.36, 842,706.96 and 291,623.95

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Solution

The fourth proportional to 561,664.36, 842,706.96 and 291,623.95 is: 437,545.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,664.36 : 842,706.96 = 291,623.95 : x
  2. Step 2: Convert to fraction form
    561,664.36/842,706.96 = 291,623.95/x
  3. Step 3: Cross multiply
    561,664.36x = 842,706.96 × 291,623.95
  4. Step 4: Simplify right side
    561,664.36x = 245,753,532,367.69
  5. Step 5: Solve for x
    x = 245,753,532,367.69/561,664.36
  6. Step 6: Final answer
    x = 437,545.18

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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.