Home / 1,276,191.64-1,914,324.63-477,320.77

Finding the Fourth Proportional to 1,276,191.64, 1,914,324.63 and 477,320.77

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Solution

The fourth proportional to 1,276,191.64, 1,914,324.63 and 477,320.77 is: 715,995.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,191.64 : 1,914,324.63 = 477,320.77 : x
  2. Step 2: Convert to fraction form
    1,276,191.64/1,914,324.63 = 477,320.77/x
  3. Step 3: Cross multiply
    1,276,191.64x = 1,914,324.63 × 477,320.77
  4. Step 4: Simplify right side
    1,276,191.64x = 913,746,906,421.57
  5. Step 5: Solve for x
    x = 913,746,906,421.57/1,276,191.64
  6. Step 6: Final answer
    x = 715,995.06

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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.