Home / 1,276,190.64-1,914,323.13-477,319.77

Finding the Fourth Proportional to 1,276,190.64, 1,914,323.13 and 477,319.77

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Solution

The fourth proportional to 1,276,190.64, 1,914,323.13 and 477,319.77 is: 715,993.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,190.64 : 1,914,323.13 = 477,319.77 : x
  2. Step 2: Convert to fraction form
    1,276,190.64/1,914,323.13 = 477,319.77/x
  3. Step 3: Cross multiply
    1,276,190.64x = 1,914,323.13 × 477,319.77
  4. Step 4: Simplify right side
    1,276,190.64x = 913,744,276,117.28
  5. Step 5: Solve for x
    x = 913,744,276,117.28/1,276,190.64
  6. Step 6: Final answer
    x = 715,993.56

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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.