Home / 725,054.64-1,087,692.53-369,874.91

Finding the Fourth Proportional to 725,054.64, 1,087,692.53 and 369,874.91

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Solution

The fourth proportional to 725,054.64, 1,087,692.53 and 369,874.91 is: 554,868.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,054.64 : 1,087,692.53 = 369,874.91 : x
  2. Step 2: Convert to fraction form
    725,054.64/1,087,692.53 = 369,874.91/x
  3. Step 3: Cross multiply
    725,054.64x = 1,087,692.53 × 369,874.91
  4. Step 4: Simplify right side
    725,054.64x = 402,310,169,353.59
  5. Step 5: Solve for x
    x = 402,310,169,353.59/725,054.64
  6. Step 6: Final answer
    x = 554,868.76

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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.