Home / 717,087.50-1,075,631.33-218,451.50

Finding the Fourth Proportional to 717,087.50, 1,075,631.33 and 218,451.50

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Solution

The fourth proportional to 717,087.50, 1,075,631.33 and 218,451.50 is: 327,677.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,087.50 : 1,075,631.33 = 218,451.50 : x
  2. Step 2: Convert to fraction form
    717,087.50/1,075,631.33 = 218,451.50/x
  3. Step 3: Cross multiply
    717,087.50x = 1,075,631.33 × 218,451.50
  4. Step 4: Simplify right side
    717,087.50x = 234,973,277,485.50
  5. Step 5: Solve for x
    x = 234,973,277,485.50/717,087.50
  6. Step 6: Final answer
    x = 327,677.27

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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.