Home / 1,133,717.50-1,564,530.15-624,419.88

Finding the Fourth Proportional to 1,133,717.50, 1,564,530.15 and 624,419.88

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Solution

The fourth proportional to 1,133,717.50, 1,564,530.15 and 624,419.88 is: 861,699.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133,717.50 : 1,564,530.15 = 624,419.88 : x
  2. Step 2: Convert to fraction form
    1,133,717.50/1,564,530.15 = 624,419.88/x
  3. Step 3: Cross multiply
    1,133,717.50x = 1,564,530.15 × 624,419.88
  4. Step 4: Simplify right side
    1,133,717.50x = 976,923,728,519.38
  5. Step 5: Solve for x
    x = 976,923,728,519.38/1,133,717.50
  6. Step 6: Final answer
    x = 861,699.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.