Home / 830,669.80-1,246,004.70-547,234.60

Finding the Fourth Proportional to 830,669.80, 1,246,004.70 and 547,234.60

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Solution

The fourth proportional to 830,669.80, 1,246,004.70 and 547,234.60 is: 820,851.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,669.80 : 1,246,004.70 = 547,234.60 : x
  2. Step 2: Convert to fraction form
    830,669.80/1,246,004.70 = 547,234.60/x
  3. Step 3: Cross multiply
    830,669.80x = 1,246,004.70 × 547,234.60
  4. Step 4: Simplify right side
    830,669.80x = 681,856,883,602.62
  5. Step 5: Solve for x
    x = 681,856,883,602.62/830,669.80
  6. Step 6: Final answer
    x = 820,851.90

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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.