Home / 1,119,171.01-1,678,955.99-520,807.81

Finding the Fourth Proportional to 1,119,171.01, 1,678,955.99 and 520,807.81

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Solution

The fourth proportional to 1,119,171.01, 1,678,955.99 and 520,807.81 is: 781,304.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,171.01 : 1,678,955.99 = 520,807.81 : x
  2. Step 2: Convert to fraction form
    1,119,171.01/1,678,955.99 = 520,807.81/x
  3. Step 3: Cross multiply
    1,119,171.01x = 1,678,955.99 × 520,807.81
  4. Step 4: Simplify right side
    1,119,171.01x = 874,413,392,238.28
  5. Step 5: Solve for x
    x = 874,413,392,238.28/1,119,171.01
  6. Step 6: Final answer
    x = 781,304.54

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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.