Home / 986,060.18-1,360,735.34-556,380.30

Finding the Fourth Proportional to 986,060.18, 1,360,735.34 and 556,380.30

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Solution

The fourth proportional to 986,060.18, 1,360,735.34 and 556,380.30 is: 767,789.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,060.18 : 1,360,735.34 = 556,380.30 : x
  2. Step 2: Convert to fraction form
    986,060.18/1,360,735.34 = 556,380.30/x
  3. Step 3: Cross multiply
    986,060.18x = 1,360,735.34 × 556,380.30
  4. Step 4: Simplify right side
    986,060.18x = 757,086,336,689.80
  5. Step 5: Solve for x
    x = 757,086,336,689.80/986,060.18
  6. Step 6: Final answer
    x = 767,789.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.