Home / 784,095.68-1,174,568.88-663,635.72

Finding the Fourth Proportional to 784,095.68, 1,174,568.88 and 663,635.72

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Solution

The fourth proportional to 784,095.68, 1,174,568.88 and 663,635.72 is: 994,120.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,095.68 : 1,174,568.88 = 663,635.72 : x
  2. Step 2: Convert to fraction form
    784,095.68/1,174,568.88 = 663,635.72/x
  3. Step 3: Cross multiply
    784,095.68x = 1,174,568.88 × 663,635.72
  4. Step 4: Simplify right side
    784,095.68x = 779,485,864,368.39
  5. Step 5: Solve for x
    x = 779,485,864,368.39/784,095.68
  6. Step 6: Final answer
    x = 994,120.85

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1.5x scale

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.