Home / 986,021.03-1,479,195.05-346,158.69

Finding the Fourth Proportional to 986,021.03, 1,479,195.05 and 346,158.69

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Solution

The fourth proportional to 986,021.03, 1,479,195.05 and 346,158.69 is: 519,295.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,021.03 : 1,479,195.05 = 346,158.69 : x
  2. Step 2: Convert to fraction form
    986,021.03/1,479,195.05 = 346,158.69/x
  3. Step 3: Cross multiply
    986,021.03x = 1,479,195.05 × 346,158.69
  4. Step 4: Simplify right side
    986,021.03x = 512,036,219,031.69
  5. Step 5: Solve for x
    x = 512,036,219,031.69/986,021.03
  6. Step 6: Final answer
    x = 519,295.44

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Double scale
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Similar ratio
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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.