Home / 1,223,321.14-1,834,981.80-381,944.98

Finding the Fourth Proportional to 1,223,321.14, 1,834,981.80 and 381,944.98

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Solution

The fourth proportional to 1,223,321.14, 1,834,981.80 and 381,944.98 is: 572,917.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,321.14 : 1,834,981.80 = 381,944.98 : x
  2. Step 2: Convert to fraction form
    1,223,321.14/1,834,981.80 = 381,944.98/x
  3. Step 3: Cross multiply
    1,223,321.14x = 1,834,981.80 × 381,944.98
  4. Step 4: Simplify right side
    1,223,321.14x = 700,862,086,901.36
  5. Step 5: Solve for x
    x = 700,862,086,901.36/1,223,321.14
  6. Step 6: Final answer
    x = 572,917.50

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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.