Home / 437,729.18-604,347.35-274,609.28

Finding the Fourth Proportional to 437,729.18, 604,347.35 and 274,609.28

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Solution

The fourth proportional to 437,729.18, 604,347.35 and 274,609.28 is: 379,137.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,729.18 : 604,347.35 = 274,609.28 : x
  2. Step 2: Convert to fraction form
    437,729.18/604,347.35 = 274,609.28/x
  3. Step 3: Cross multiply
    437,729.18x = 604,347.35 × 274,609.28
  4. Step 4: Simplify right side
    437,729.18x = 165,959,392,850.80
  5. Step 5: Solve for x
    x = 165,959,392,850.80/437,729.18
  6. Step 6: Final answer
    x = 379,137.15

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1.5x scale

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.