Home / 916,924.16-1,375,380.77-498,857.24

Finding the Fourth Proportional to 916,924.16, 1,375,380.77 and 498,857.24

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Solution

The fourth proportional to 916,924.16, 1,375,380.77 and 498,857.24 is: 748,282.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,924.16 : 1,375,380.77 = 498,857.24 : x
  2. Step 2: Convert to fraction form
    916,924.16/1,375,380.77 = 498,857.24/x
  3. Step 3: Cross multiply
    916,924.16x = 1,375,380.77 × 498,857.24
  4. Step 4: Simplify right side
    916,924.16x = 686,118,645,500.09
  5. Step 5: Solve for x
    x = 686,118,645,500.09/916,924.16
  6. Step 6: Final answer
    x = 748,282.88

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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.