Home / 946,891.22-1,420,342.22-315,803.21

Finding the Fourth Proportional to 946,891.22, 1,420,342.22 and 315,803.21

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Solution

The fourth proportional to 946,891.22, 1,420,342.22 and 315,803.21 is: 473,706.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,891.22 : 1,420,342.22 = 315,803.21 : x
  2. Step 2: Convert to fraction form
    946,891.22/1,420,342.22 = 315,803.21/x
  3. Step 3: Cross multiply
    946,891.22x = 1,420,342.22 × 315,803.21
  4. Step 4: Simplify right side
    946,891.22x = 448,548,626,062.32
  5. Step 5: Solve for x
    x = 448,548,626,062.32/946,891.22
  6. Step 6: Final answer
    x = 473,706.61

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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.