Home / 1,119,168.51-1,678,952.24-520,805.31

Finding the Fourth Proportional to 1,119,168.51, 1,678,952.24 and 520,805.31

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Solution

The fourth proportional to 1,119,168.51, 1,678,952.24 and 520,805.31 is: 781,300.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,168.51 : 1,678,952.24 = 520,805.31 : x
  2. Step 2: Convert to fraction form
    1,119,168.51/1,678,952.24 = 520,805.31/x
  3. Step 3: Cross multiply
    1,119,168.51x = 1,678,952.24 × 520,805.31
  4. Step 4: Simplify right side
    1,119,168.51x = 874,407,239,224.37
  5. Step 5: Solve for x
    x = 874,407,239,224.37/1,119,168.51
  6. Step 6: Final answer
    x = 781,300.79

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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.