Home / 848,381.85-1,170,645.09-499,314.69

Finding the Fourth Proportional to 848,381.85, 1,170,645.09 and 499,314.69

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Solution

The fourth proportional to 848,381.85, 1,170,645.09 and 499,314.69 is: 688,982.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,381.85 : 1,170,645.09 = 499,314.69 : x
  2. Step 2: Convert to fraction form
    848,381.85/1,170,645.09 = 499,314.69/x
  3. Step 3: Cross multiply
    848,381.85x = 1,170,645.09 × 499,314.69
  4. Step 4: Simplify right side
    848,381.85x = 584,520,290,213.37
  5. Step 5: Solve for x
    x = 584,520,290,213.37/848,381.85
  6. Step 6: Final answer
    x = 688,982.55

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.