Home / 1,277,138.60-1,914,833.10-603,542.60

Finding the Fourth Proportional to 1,277,138.60, 1,914,833.10 and 603,542.60

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Solution

The fourth proportional to 1,277,138.60, 1,914,833.10 and 603,542.60 is: 904,900.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,138.60 : 1,914,833.10 = 603,542.60 : x
  2. Step 2: Convert to fraction form
    1,277,138.60/1,914,833.10 = 603,542.60/x
  3. Step 3: Cross multiply
    1,277,138.60x = 1,914,833.10 × 603,542.60
  4. Step 4: Simplify right side
    1,277,138.60x = 1,155,683,347,740.06
  5. Step 5: Solve for x
    x = 1,155,683,347,740.06/1,277,138.60
  6. Step 6: Final answer
    x = 904,900.49

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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.