Home / 1,276,184.27-1,914,313.53-477,313.40

Finding the Fourth Proportional to 1,276,184.27, 1,914,313.53 and 477,313.40

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Solution

The fourth proportional to 1,276,184.27, 1,914,313.53 and 477,313.40 is: 715,983.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,184.27 : 1,914,313.53 = 477,313.40 : x
  2. Step 2: Convert to fraction form
    1,276,184.27/1,914,313.53 = 477,313.40/x
  3. Step 3: Cross multiply
    1,276,184.27x = 1,914,313.53 × 477,313.40
  4. Step 4: Simplify right side
    1,276,184.27x = 913,727,490,098.73
  5. Step 5: Solve for x
    x = 913,727,490,098.73/1,276,184.27
  6. Step 6: Final answer
    x = 715,983.98

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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.