Home / 1,183,661.20-1,775,491.80-435,998.80

Finding the Fourth Proportional to 1,183,661.20, 1,775,491.80 and 435,998.80

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Solution

The fourth proportional to 1,183,661.20, 1,775,491.80 and 435,998.80 is: 653,998.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,183,661.20 : 1,775,491.80 = 435,998.80 : x
  2. Step 2: Convert to fraction form
    1,183,661.20/1,775,491.80 = 435,998.80/x
  3. Step 3: Cross multiply
    1,183,661.20x = 1,775,491.80 × 435,998.80
  4. Step 4: Simplify right side
    1,183,661.20x = 774,112,294,209.84
  5. Step 5: Solve for x
    x = 774,112,294,209.84/1,183,661.20
  6. Step 6: Final answer
    x = 653,998.20

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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.