Home / 919,908.30-1,379,862.45-837,239.70

Finding the Fourth Proportional to 919,908.30, 1,379,862.45 and 837,239.70

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Solution

The fourth proportional to 919,908.30, 1,379,862.45 and 837,239.70 is: 1,255,859.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,908.30 : 1,379,862.45 = 837,239.70 : x
  2. Step 2: Convert to fraction form
    919,908.30/1,379,862.45 = 837,239.70/x
  3. Step 3: Cross multiply
    919,908.30x = 1,379,862.45 × 837,239.70
  4. Step 4: Simplify right side
    919,908.30x = 1,155,275,623,679.26
  5. Step 5: Solve for x
    x = 1,155,275,623,679.26/919,908.30
  6. Step 6: Final answer
    x = 1,255,859.55

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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.