Home / 2,784,538.77-4,176,811.74-762,800.45

Finding the Fourth Proportional to 2,784,538.77, 4,176,811.74 and 762,800.45

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Solution

The fourth proportional to 2,784,538.77, 4,176,811.74 and 762,800.45 is: 1,144,201.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,784,538.77 : 4,176,811.74 = 762,800.45 : x
  2. Step 2: Convert to fraction form
    2,784,538.77/4,176,811.74 = 762,800.45/x
  3. Step 3: Cross multiply
    2,784,538.77x = 4,176,811.74 × 762,800.45
  4. Step 4: Simplify right side
    2,784,538.77x = 3,186,073,853,953.22
  5. Step 5: Solve for x
    x = 3,186,073,853,953.22/2,784,538.77
  6. Step 6: Final answer
    x = 1,144,201.65

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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.