Home / 554,768.40-765,577.80-300,117.36

Finding the Fourth Proportional to 554,768.40, 765,577.80 and 300,117.36

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Solution

The fourth proportional to 554,768.40, 765,577.80 and 300,117.36 is: 414,160.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,768.40 : 765,577.80 = 300,117.36 : x
  2. Step 2: Convert to fraction form
    554,768.40/765,577.80 = 300,117.36/x
  3. Step 3: Cross multiply
    554,768.40x = 765,577.80 × 300,117.36
  4. Step 4: Simplify right side
    554,768.40x = 229,763,188,210.61
  5. Step 5: Solve for x
    x = 229,763,188,210.61/554,768.40
  6. Step 6: Final answer
    x = 414,160.55

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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.