Home / 978,924.28-1,351,390.14-656,516.44

Finding the Fourth Proportional to 978,924.28, 1,351,390.14 and 656,516.44

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Solution

The fourth proportional to 978,924.28, 1,351,390.14 and 656,516.44 is: 906,311.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,924.28 : 1,351,390.14 = 656,516.44 : x
  2. Step 2: Convert to fraction form
    978,924.28/1,351,390.14 = 656,516.44/x
  3. Step 3: Cross multiply
    978,924.28x = 1,351,390.14 × 656,516.44
  4. Step 4: Simplify right side
    978,924.28x = 887,209,843,763.90
  5. Step 5: Solve for x
    x = 887,209,843,763.90/978,924.28
  6. Step 6: Final answer
    x = 906,311.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.