Home / 775,843.06-1,070,676.48-431,706.46

Finding the Fourth Proportional to 775,843.06, 1,070,676.48 and 431,706.46

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Solution

The fourth proportional to 775,843.06, 1,070,676.48 and 431,706.46 is: 595,762.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,843.06 : 1,070,676.48 = 431,706.46 : x
  2. Step 2: Convert to fraction form
    775,843.06/1,070,676.48 = 431,706.46/x
  3. Step 3: Cross multiply
    775,843.06x = 1,070,676.48 × 431,706.46
  4. Step 4: Simplify right side
    775,843.06x = 462,217,952,986.06
  5. Step 5: Solve for x
    x = 462,217,952,986.06/775,843.06
  6. Step 6: Final answer
    x = 595,762.18

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Double scale
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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.