Home / 725,063.70-1,087,595.55-251,699.70

Finding the Fourth Proportional to 725,063.70, 1,087,595.55 and 251,699.70

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Solution

The fourth proportional to 725,063.70, 1,087,595.55 and 251,699.70 is: 377,549.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,063.70 : 1,087,595.55 = 251,699.70 : x
  2. Step 2: Convert to fraction form
    725,063.70/1,087,595.55 = 251,699.70/x
  3. Step 3: Cross multiply
    725,063.70x = 1,087,595.55 × 251,699.70
  4. Step 4: Simplify right side
    725,063.70x = 273,747,473,656.34
  5. Step 5: Solve for x
    x = 273,747,473,656.34/725,063.70
  6. Step 6: Final answer
    x = 377,549.55

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Double scale
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Similar ratio
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1.5x scale

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.