Home / 397,881.12-596,827.98-221,509.14

Finding the Fourth Proportional to 397,881.12, 596,827.98 and 221,509.14

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Solution

The fourth proportional to 397,881.12, 596,827.98 and 221,509.14 is: 332,267.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,881.12 : 596,827.98 = 221,509.14 : x
  2. Step 2: Convert to fraction form
    397,881.12/596,827.98 = 221,509.14/x
  3. Step 3: Cross multiply
    397,881.12x = 596,827.98 × 221,509.14
  4. Step 4: Simplify right side
    397,881.12x = 132,202,852,577.74
  5. Step 5: Solve for x
    x = 132,202,852,577.74/397,881.12
  6. Step 6: Final answer
    x = 332,267.22

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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.