Home / 756,048.70-1,134,401.10-382,071.70

Finding the Fourth Proportional to 756,048.70, 1,134,401.10 and 382,071.70

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Solution

The fourth proportional to 756,048.70, 1,134,401.10 and 382,071.70 is: 573,273.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,048.70 : 1,134,401.10 = 382,071.70 : x
  2. Step 2: Convert to fraction form
    756,048.70/1,134,401.10 = 382,071.70/x
  3. Step 3: Cross multiply
    756,048.70x = 1,134,401.10 × 382,071.70
  4. Step 4: Simplify right side
    756,048.70x = 433,422,556,758.87
  5. Step 5: Solve for x
    x = 433,422,556,758.87/756,048.70
  6. Step 6: Final answer
    x = 573,273.33

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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.