Home / 756,279.80-1,134,419.70-585,037.70

Finding the Fourth Proportional to 756,279.80, 1,134,419.70 and 585,037.70

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Solution

The fourth proportional to 756,279.80, 1,134,419.70 and 585,037.70 is: 877,556.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,279.80 : 1,134,419.70 = 585,037.70 : x
  2. Step 2: Convert to fraction form
    756,279.80/1,134,419.70 = 585,037.70/x
  3. Step 3: Cross multiply
    756,279.80x = 1,134,419.70 × 585,037.70
  4. Step 4: Simplify right side
    756,279.80x = 663,678,292,122.69
  5. Step 5: Solve for x
    x = 663,678,292,122.69/756,279.80
  6. Step 6: Final answer
    x = 877,556.55

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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.