Home / 3,524,803.40-5,287,205.10-1,128,726.20

Finding the Fourth Proportional to 3,524,803.40, 5,287,205.10 and 1,128,726.20

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Solution

The fourth proportional to 3,524,803.40, 5,287,205.10 and 1,128,726.20 is: 1,693,089.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,524,803.40 : 5,287,205.10 = 1,128,726.20 : x
  2. Step 2: Convert to fraction form
    3,524,803.40/5,287,205.10 = 1,128,726.20/x
  3. Step 3: Cross multiply
    3,524,803.40x = 5,287,205.10 × 1,128,726.20
  4. Step 4: Simplify right side
    3,524,803.40x = 5,967,806,921,143.62
  5. Step 5: Solve for x
    x = 5,967,806,921,143.62/3,524,803.40
  6. Step 6: Final answer
    x = 1,693,089.30

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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.