Home / 1,185,337.66-1,635,768.87-641,477.40

Finding the Fourth Proportional to 1,185,337.66, 1,635,768.87 and 641,477.40

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Solution

The fourth proportional to 1,185,337.66, 1,635,768.87 and 641,477.40 is: 885,240.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,337.66 : 1,635,768.87 = 641,477.40 : x
  2. Step 2: Convert to fraction form
    1,185,337.66/1,635,768.87 = 641,477.40/x
  3. Step 3: Cross multiply
    1,185,337.66x = 1,635,768.87 × 641,477.40
  4. Step 4: Simplify right side
    1,185,337.66x = 1,049,308,759,593.62
  5. Step 5: Solve for x
    x = 1,049,308,759,593.62/1,185,337.66
  6. Step 6: Final answer
    x = 885,240.38

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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.