Home / 1,366,036.62-1,885,295.84-777,479.16

Finding the Fourth Proportional to 1,366,036.62, 1,885,295.84 and 777,479.16

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Solution

The fourth proportional to 1,366,036.62, 1,885,295.84 and 777,479.16 is: 1,073,015.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,366,036.62 : 1,885,295.84 = 777,479.16 : x
  2. Step 2: Convert to fraction form
    1,366,036.62/1,885,295.84 = 777,479.16/x
  3. Step 3: Cross multiply
    1,366,036.62x = 1,885,295.84 × 777,479.16
  4. Step 4: Simplify right side
    1,366,036.62x = 1,465,778,222,147.30
  5. Step 5: Solve for x
    x = 1,465,778,222,147.30/1,366,036.62
  6. Step 6: Final answer
    x = 1,073,015.32

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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.