Home / 1,205,796.11-1,663,937.53-715,786.58

Finding the Fourth Proportional to 1,205,796.11, 1,663,937.53 and 715,786.58

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Solution

The fourth proportional to 1,205,796.11, 1,663,937.53 and 715,786.58 is: 987,749.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,796.11 : 1,663,937.53 = 715,786.58 : x
  2. Step 2: Convert to fraction form
    1,205,796.11/1,663,937.53 = 715,786.58/x
  3. Step 3: Cross multiply
    1,205,796.11x = 1,663,937.53 × 715,786.58
  4. Step 4: Simplify right side
    1,205,796.11x = 1,191,024,143,823.19
  5. Step 5: Solve for x
    x = 1,191,024,143,823.19/1,205,796.11
  6. Step 6: Final answer
    x = 987,749.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.