Home / 838,409.70-1,257,614.55-603,963.30

Finding the Fourth Proportional to 838,409.70, 1,257,614.55 and 603,963.30

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Solution

The fourth proportional to 838,409.70, 1,257,614.55 and 603,963.30 is: 905,944.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,409.70 : 1,257,614.55 = 603,963.30 : x
  2. Step 2: Convert to fraction form
    838,409.70/1,257,614.55 = 603,963.30/x
  3. Step 3: Cross multiply
    838,409.70x = 1,257,614.55 × 603,963.30
  4. Step 4: Simplify right side
    838,409.70x = 759,553,033,746.02
  5. Step 5: Solve for x
    x = 759,553,033,746.02/838,409.70
  6. Step 6: Final answer
    x = 905,944.95

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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.