Home / 1,400,642.28-2,101,258.67-453,939.19

Finding the Fourth Proportional to 1,400,642.28, 2,101,258.67 and 453,939.19

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Solution

The fourth proportional to 1,400,642.28, 2,101,258.67 and 453,939.19 is: 681,004.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400,642.28 : 2,101,258.67 = 453,939.19 : x
  2. Step 2: Convert to fraction form
    1,400,642.28/2,101,258.67 = 453,939.19/x
  3. Step 3: Cross multiply
    1,400,642.28x = 2,101,258.67 × 453,939.19
  4. Step 4: Simplify right side
    1,400,642.28x = 953,843,651,117.44
  5. Step 5: Solve for x
    x = 953,843,651,117.44/1,400,642.28
  6. Step 6: Final answer
    x = 681,004.47

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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.