Home / 768,634.34-1,153,651.16-409,107.03

Finding the Fourth Proportional to 768,634.34, 1,153,651.16 and 409,107.03

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Solution

The fourth proportional to 768,634.34, 1,153,651.16 and 409,107.03 is: 614,032.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,634.34 : 1,153,651.16 = 409,107.03 : x
  2. Step 2: Convert to fraction form
    768,634.34/1,153,651.16 = 409,107.03/x
  3. Step 3: Cross multiply
    768,634.34x = 1,153,651.16 × 409,107.03
  4. Step 4: Simplify right side
    768,634.34x = 471,966,799,723.66
  5. Step 5: Solve for x
    x = 471,966,799,723.66/768,634.34
  6. Step 6: Final answer
    x = 614,032.93

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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.