Home / 2,156,095.60-3,234,143.40-660,185.20

Finding the Fourth Proportional to 2,156,095.60, 3,234,143.40 and 660,185.20

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Solution

The fourth proportional to 2,156,095.60, 3,234,143.40 and 660,185.20 is: 990,277.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,156,095.60 : 3,234,143.40 = 660,185.20 : x
  2. Step 2: Convert to fraction form
    2,156,095.60/3,234,143.40 = 660,185.20/x
  3. Step 3: Cross multiply
    2,156,095.60x = 3,234,143.40 × 660,185.20
  4. Step 4: Simplify right side
    2,156,095.60x = 2,135,133,607,357.68
  5. Step 5: Solve for x
    x = 2,135,133,607,357.68/2,156,095.60
  6. Step 6: Final answer
    x = 990,277.80

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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.