Home / 1,641,857.70-2,462,556.15-520,040.10

Finding the Fourth Proportional to 1,641,857.70, 2,462,556.15 and 520,040.10

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Solution

The fourth proportional to 1,641,857.70, 2,462,556.15 and 520,040.10 is: 779,987.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,641,857.70 : 2,462,556.15 = 520,040.10 : x
  2. Step 2: Convert to fraction form
    1,641,857.70/2,462,556.15 = 520,040.10/x
  3. Step 3: Cross multiply
    1,641,857.70x = 2,462,556.15 × 520,040.10
  4. Step 4: Simplify right side
    1,641,857.70x = 1,280,627,946,501.62
  5. Step 5: Solve for x
    x = 1,280,627,946,501.62/1,641,857.70
  6. Step 6: Final answer
    x = 779,987.17

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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.