Home / 986,016.12-1,479,187.71-346,153.80

Finding the Fourth Proportional to 986,016.12, 1,479,187.71 and 346,153.80

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Solution

The fourth proportional to 986,016.12, 1,479,187.71 and 346,153.80 is: 519,288.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,016.12 : 1,479,187.71 = 346,153.80 : x
  2. Step 2: Convert to fraction form
    986,016.12/1,479,187.71 = 346,153.80/x
  3. Step 3: Cross multiply
    986,016.12x = 1,479,187.71 × 346,153.80
  4. Step 4: Simplify right side
    986,016.12x = 512,026,446,729.80
  5. Step 5: Solve for x
    x = 512,026,446,729.80/986,016.12
  6. Step 6: Final answer
    x = 519,288.11

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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.