Home / 986,613.01-1,479,320.23-386,855.61

Finding the Fourth Proportional to 986,613.01, 1,479,320.23 and 386,855.61

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Solution

The fourth proportional to 986,613.01, 1,479,320.23 and 386,855.61 is: 580,048.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,613.01 : 1,479,320.23 = 386,855.61 : x
  2. Step 2: Convert to fraction form
    986,613.01/1,479,320.23 = 386,855.61/x
  3. Step 3: Cross multiply
    986,613.01x = 1,479,320.23 × 386,855.61
  4. Step 4: Simplify right side
    986,613.01x = 572,283,329,961.99
  5. Step 5: Solve for x
    x = 572,283,329,961.99/986,613.01
  6. Step 6: Final answer
    x = 580,048.43

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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.