Home / 903,722.48-1,247,170.20-545,957.36

Finding the Fourth Proportional to 903,722.48, 1,247,170.20 and 545,957.36

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Solution

The fourth proportional to 903,722.48, 1,247,170.20 and 545,957.36 is: 753,441.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,722.48 : 1,247,170.20 = 545,957.36 : x
  2. Step 2: Convert to fraction form
    903,722.48/1,247,170.20 = 545,957.36/x
  3. Step 3: Cross multiply
    903,722.48x = 1,247,170.20 × 545,957.36
  4. Step 4: Simplify right side
    903,722.48x = 680,901,749,862.67
  5. Step 5: Solve for x
    x = 680,901,749,862.67/903,722.48
  6. Step 6: Final answer
    x = 753,441.20

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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.