Home / 1,133,442-1,564,149.96-624,143.16

Finding the Fourth Proportional to 1,133,442, 1,564,149.96 and 624,143.16

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Solution

The fourth proportional to 1,133,442, 1,564,149.96 and 624,143.16 is: 861,317.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133,442 : 1,564,149.96 = 624,143.16 : x
  2. Step 2: Convert to fraction form
    1,133,442/1,564,149.96 = 624,143.16/x
  3. Step 3: Cross multiply
    1,133,442x = 1,564,149.96 × 624,143.16
  4. Step 4: Simplify right side
    1,133,442x = 976,253,498,748.27
  5. Step 5: Solve for x
    x = 976,253,498,748.27/1,133,442
  6. Step 6: Final answer
    x = 861,317.56

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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.