Home / 1,220,505.06-1,830,753.92-309,685.76

Finding the Fourth Proportional to 1,220,505.06, 1,830,753.92 and 309,685.76

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Solution

The fourth proportional to 1,220,505.06, 1,830,753.92 and 309,685.76 is: 464,527.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,505.06 : 1,830,753.92 = 309,685.76 : x
  2. Step 2: Convert to fraction form
    1,220,505.06/1,830,753.92 = 309,685.76/x
  3. Step 3: Cross multiply
    1,220,505.06x = 1,830,753.92 × 309,685.76
  4. Step 4: Simplify right side
    1,220,505.06x = 566,958,419,088.18
  5. Step 5: Solve for x
    x = 566,958,419,088.18/1,220,505.06
  6. Step 6: Final answer
    x = 464,527.71

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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.