Home / 1,239,297.69-1,857,667.68-520,057.16

Finding the Fourth Proportional to 1,239,297.69, 1,857,667.68 and 520,057.16

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Solution

The fourth proportional to 1,239,297.69, 1,857,667.68 and 520,057.16 is: 779,549.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,297.69 : 1,857,667.68 = 520,057.16 : x
  2. Step 2: Convert to fraction form
    1,239,297.69/1,857,667.68 = 520,057.16/x
  3. Step 3: Cross multiply
    1,239,297.69x = 1,857,667.68 × 520,057.16
  4. Step 4: Simplify right side
    1,239,297.69x = 966,093,368,596.25
  5. Step 5: Solve for x
    x = 966,093,368,596.25/1,239,297.69
  6. Step 6: Final answer
    x = 779,549.08

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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.