Home / 1,467,355.80-2,201,689.80-521,405.40

Finding the Fourth Proportional to 1,467,355.80, 2,201,689.80 and 521,405.40

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Solution

The fourth proportional to 1,467,355.80, 2,201,689.80 and 521,405.40 is: 782,341.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,467,355.80 : 2,201,689.80 = 521,405.40 : x
  2. Step 2: Convert to fraction form
    1,467,355.80/2,201,689.80 = 521,405.40/x
  3. Step 3: Cross multiply
    1,467,355.80x = 2,201,689.80 × 521,405.40
  4. Step 4: Simplify right side
    1,467,355.80x = 1,147,972,950,844.92
  5. Step 5: Solve for x
    x = 1,147,972,950,844.92/1,467,355.80
  6. Step 6: Final answer
    x = 782,341.24

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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.