Home / 755,855.21-1,043,080.13-416,323.46

Finding the Fourth Proportional to 755,855.21, 1,043,080.13 and 416,323.46

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Solution

The fourth proportional to 755,855.21, 1,043,080.13 and 416,323.46 is: 574,526.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,855.21 : 1,043,080.13 = 416,323.46 : x
  2. Step 2: Convert to fraction form
    755,855.21/1,043,080.13 = 416,323.46/x
  3. Step 3: Cross multiply
    755,855.21x = 1,043,080.13 × 416,323.46
  4. Step 4: Simplify right side
    755,855.21x = 434,258,721,481.83
  5. Step 5: Solve for x
    x = 434,258,721,481.83/755,855.21
  6. Step 6: Final answer
    x = 574,526.34

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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.