Home / 1,079,067.80-1,618,601.70-517,813.40

Finding the Fourth Proportional to 1,079,067.80, 1,618,601.70 and 517,813.40

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Solution

The fourth proportional to 1,079,067.80, 1,618,601.70 and 517,813.40 is: 776,720.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,067.80 : 1,618,601.70 = 517,813.40 : x
  2. Step 2: Convert to fraction form
    1,079,067.80/1,618,601.70 = 517,813.40/x
  3. Step 3: Cross multiply
    1,079,067.80x = 1,618,601.70 × 517,813.40
  4. Step 4: Simplify right side
    1,079,067.80x = 838,133,649,522.78
  5. Step 5: Solve for x
    x = 838,133,649,522.78/1,079,067.80
  6. Step 6: Final answer
    x = 776,720.10

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Similar ratio
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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.