Home / 1,079,895.36-1,619,547.80-405,924.84

Finding the Fourth Proportional to 1,079,895.36, 1,619,547.80 and 405,924.84

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Solution

The fourth proportional to 1,079,895.36, 1,619,547.80 and 405,924.84 is: 608,776.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,895.36 : 1,619,547.80 = 405,924.84 : x
  2. Step 2: Convert to fraction form
    1,079,895.36/1,619,547.80 = 405,924.84/x
  3. Step 3: Cross multiply
    1,079,895.36x = 1,619,547.80 × 405,924.84
  4. Step 4: Simplify right side
    1,079,895.36x = 657,414,675,002.75
  5. Step 5: Solve for x
    x = 657,414,675,002.75/1,079,895.36
  6. Step 6: Final answer
    x = 608,776.27

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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.