Home / 525,127.08-724,692.06-298,787.16

Finding the Fourth Proportional to 525,127.08, 724,692.06 and 298,787.16

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Solution

The fourth proportional to 525,127.08, 724,692.06 and 298,787.16 is: 412,335.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,127.08 : 724,692.06 = 298,787.16 : x
  2. Step 2: Convert to fraction form
    525,127.08/724,692.06 = 298,787.16/x
  3. Step 3: Cross multiply
    525,127.08x = 724,692.06 × 298,787.16
  4. Step 4: Simplify right side
    525,127.08x = 216,528,682,481.95
  5. Step 5: Solve for x
    x = 216,528,682,481.95/525,127.08
  6. Step 6: Final answer
    x = 412,335.78

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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.