Home / 589,100.57-812,908.85-330,957.27

Finding the Fourth Proportional to 589,100.57, 812,908.85 and 330,957.27

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Solution

The fourth proportional to 589,100.57, 812,908.85 and 330,957.27 is: 456,692.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,100.57 : 812,908.85 = 330,957.27 : x
  2. Step 2: Convert to fraction form
    589,100.57/812,908.85 = 330,957.27/x
  3. Step 3: Cross multiply
    589,100.57x = 812,908.85 × 330,957.27
  4. Step 4: Simplify right side
    589,100.57x = 269,038,093,754.84
  5. Step 5: Solve for x
    x = 269,038,093,754.84/589,100.57
  6. Step 6: Final answer
    x = 456,692.98

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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.