Home / 830,601.30-1,245,901.95-822,728.10

Finding the Fourth Proportional to 830,601.30, 1,245,901.95 and 822,728.10

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Solution

The fourth proportional to 830,601.30, 1,245,901.95 and 822,728.10 is: 1,234,092.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,601.30 : 1,245,901.95 = 822,728.10 : x
  2. Step 2: Convert to fraction form
    830,601.30/1,245,901.95 = 822,728.10/x
  3. Step 3: Cross multiply
    830,601.30x = 1,245,901.95 × 822,728.10
  4. Step 4: Simplify right side
    830,601.30x = 1,025,038,544,109.80
  5. Step 5: Solve for x
    x = 1,025,038,544,109.80/830,601.30
  6. Step 6: Final answer
    x = 1,234,092.15

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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.