Home / 1,241,201.53-1,861,802.40-399,753.28

Finding the Fourth Proportional to 1,241,201.53, 1,861,802.40 and 399,753.28

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Solution

The fourth proportional to 1,241,201.53, 1,861,802.40 and 399,753.28 is: 599,629.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,201.53 : 1,861,802.40 = 399,753.28 : x
  2. Step 2: Convert to fraction form
    1,241,201.53/1,861,802.40 = 399,753.28/x
  3. Step 3: Cross multiply
    1,241,201.53x = 1,861,802.40 × 399,753.28
  4. Step 4: Simplify right side
    1,241,201.53x = 744,261,617,689.59
  5. Step 5: Solve for x
    x = 744,261,617,689.59/1,241,201.53
  6. Step 6: Final answer
    x = 599,629.95

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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.