Home / 389,786.04-584,696.34-109,297.08

Finding the Fourth Proportional to 389,786.04, 584,696.34 and 109,297.08

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Solution

The fourth proportional to 389,786.04, 584,696.34 and 109,297.08 is: 163,950.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,786.04 : 584,696.34 = 109,297.08 : x
  2. Step 2: Convert to fraction form
    389,786.04/584,696.34 = 109,297.08/x
  3. Step 3: Cross multiply
    389,786.04x = 584,696.34 × 109,297.08
  4. Step 4: Simplify right side
    389,786.04x = 63,905,602,648.69
  5. Step 5: Solve for x
    x = 63,905,602,648.69/389,786.04
  6. Step 6: Final answer
    x = 163,950.47

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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.