Home / 666,353.24-999,529.08-217,073.38

Finding the Fourth Proportional to 666,353.24, 999,529.08 and 217,073.38

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Solution

The fourth proportional to 666,353.24, 999,529.08 and 217,073.38 is: 325,609.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,353.24 : 999,529.08 = 217,073.38 : x
  2. Step 2: Convert to fraction form
    666,353.24/999,529.08 = 217,073.38/x
  3. Step 3: Cross multiply
    666,353.24x = 999,529.08 × 217,073.38
  4. Step 4: Simplify right side
    666,353.24x = 216,971,155,803.89
  5. Step 5: Solve for x
    x = 216,971,155,803.89/666,353.24
  6. Step 6: Final answer
    x = 325,609.82

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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.