Home / 809,076.60-1,210,850.10-709,543.80

Finding the Fourth Proportional to 809,076.60, 1,210,850.10 and 709,543.80

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Solution

The fourth proportional to 809,076.60, 1,210,850.10 and 709,543.80 is: 1,061,891.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,076.60 : 1,210,850.10 = 709,543.80 : x
  2. Step 2: Convert to fraction form
    809,076.60/1,210,850.10 = 709,543.80/x
  3. Step 3: Cross multiply
    809,076.60x = 1,210,850.10 × 709,543.80
  4. Step 4: Simplify right side
    809,076.60x = 859,151,181,184.38
  5. Step 5: Solve for x
    x = 859,151,181,184.38/809,076.60
  6. Step 6: Final answer
    x = 1,061,891.03

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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.