Home / 1,123,824.80-1,685,737.20-450,010.10

Finding the Fourth Proportional to 1,123,824.80, 1,685,737.20 and 450,010.10

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Solution

The fourth proportional to 1,123,824.80, 1,685,737.20 and 450,010.10 is: 675,015.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,824.80 : 1,685,737.20 = 450,010.10 : x
  2. Step 2: Convert to fraction form
    1,123,824.80/1,685,737.20 = 450,010.10/x
  3. Step 3: Cross multiply
    1,123,824.80x = 1,685,737.20 × 450,010.10
  4. Step 4: Simplify right side
    1,123,824.80x = 758,598,765,945.72
  5. Step 5: Solve for x
    x = 758,598,765,945.72/1,123,824.80
  6. Step 6: Final answer
    x = 675,015.15

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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.