Home / 986,964.72-1,480,455.72-239,011.44

Finding the Fourth Proportional to 986,964.72, 1,480,455.72 and 239,011.44

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Solution

The fourth proportional to 986,964.72, 1,480,455.72 and 239,011.44 is: 358,519.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,964.72 : 1,480,455.72 = 239,011.44 : x
  2. Step 2: Convert to fraction form
    986,964.72/1,480,455.72 = 239,011.44/x
  3. Step 3: Cross multiply
    986,964.72x = 1,480,455.72 × 239,011.44
  4. Step 4: Simplify right side
    986,964.72x = 353,845,853,493.44
  5. Step 5: Solve for x
    x = 353,845,853,493.44/986,964.72
  6. Step 6: Final answer
    x = 358,519.25

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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.