Home / 1,114,945.07-1,538,666.40-624,923.57

Finding the Fourth Proportional to 1,114,945.07, 1,538,666.40 and 624,923.57

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Solution

The fourth proportional to 1,114,945.07, 1,538,666.40 and 624,923.57 is: 862,418.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,945.07 : 1,538,666.40 = 624,923.57 : x
  2. Step 2: Convert to fraction form
    1,114,945.07/1,538,666.40 = 624,923.57/x
  3. Step 3: Cross multiply
    1,114,945.07x = 1,538,666.40 × 624,923.57
  4. Step 4: Simplify right side
    1,114,945.07x = 961,548,894,377.18
  5. Step 5: Solve for x
    x = 961,548,894,377.18/1,114,945.07
  6. Step 6: Final answer
    x = 862,418.18

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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.