Home / 986,595.40-1,479,455.70-454,279.60

Finding the Fourth Proportional to 986,595.40, 1,479,455.70 and 454,279.60

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Solution

The fourth proportional to 986,595.40, 1,479,455.70 and 454,279.60 is: 681,218.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,595.40 : 1,479,455.70 = 454,279.60 : x
  2. Step 2: Convert to fraction form
    986,595.40/1,479,455.70 = 454,279.60/x
  3. Step 3: Cross multiply
    986,595.40x = 1,479,455.70 × 454,279.60
  4. Step 4: Simplify right side
    986,595.40x = 672,086,543,613.72
  5. Step 5: Solve for x
    x = 672,086,543,613.72/986,595.40
  6. Step 6: Final answer
    x = 681,218.00

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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.