Home / 986,182.23-1,479,315.54-387,272.97

Finding the Fourth Proportional to 986,182.23, 1,479,315.54 and 387,272.97

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Solution

The fourth proportional to 986,182.23, 1,479,315.54 and 387,272.97 is: 580,926.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,182.23 : 1,479,315.54 = 387,272.97 : x
  2. Step 2: Convert to fraction form
    986,182.23/1,479,315.54 = 387,272.97/x
  3. Step 3: Cross multiply
    986,182.23x = 1,479,315.54 × 387,272.97
  4. Step 4: Simplify right side
    986,182.23x = 572,898,918,647.79
  5. Step 5: Solve for x
    x = 572,898,918,647.79/986,182.23
  6. Step 6: Final answer
    x = 580,926.02

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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.