Home / 676,164.80-1,014,247.20-410,225.60

Finding the Fourth Proportional to 676,164.80, 1,014,247.20 and 410,225.60

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Solution

The fourth proportional to 676,164.80, 1,014,247.20 and 410,225.60 is: 615,338.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,164.80 : 1,014,247.20 = 410,225.60 : x
  2. Step 2: Convert to fraction form
    676,164.80/1,014,247.20 = 410,225.60/x
  3. Step 3: Cross multiply
    676,164.80x = 1,014,247.20 × 410,225.60
  4. Step 4: Simplify right side
    676,164.80x = 416,070,166,168.32
  5. Step 5: Solve for x
    x = 416,070,166,168.32/676,164.80
  6. Step 6: Final answer
    x = 615,338.40

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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.