Home / 417,994.13-577,071.01-275,169.36

Finding the Fourth Proportional to 417,994.13, 577,071.01 and 275,169.36

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Solution

The fourth proportional to 417,994.13, 577,071.01 and 275,169.36 is: 379,891.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,994.13 : 577,071.01 = 275,169.36 : x
  2. Step 2: Convert to fraction form
    417,994.13/577,071.01 = 275,169.36/x
  3. Step 3: Cross multiply
    417,994.13x = 577,071.01 × 275,169.36
  4. Step 4: Simplify right side
    417,994.13x = 158,792,260,496.25
  5. Step 5: Solve for x
    x = 158,792,260,496.25/417,994.13
  6. Step 6: Final answer
    x = 379,891.13

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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.