Home / 1,294,578.40-1,941,867.60-453,215.20

Finding the Fourth Proportional to 1,294,578.40, 1,941,867.60 and 453,215.20

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Solution

The fourth proportional to 1,294,578.40, 1,941,867.60 and 453,215.20 is: 679,822.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,578.40 : 1,941,867.60 = 453,215.20 : x
  2. Step 2: Convert to fraction form
    1,294,578.40/1,941,867.60 = 453,215.20/x
  3. Step 3: Cross multiply
    1,294,578.40x = 1,941,867.60 × 453,215.20
  4. Step 4: Simplify right side
    1,294,578.40x = 880,083,912,707.52
  5. Step 5: Solve for x
    x = 880,083,912,707.52/1,294,578.40
  6. Step 6: Final answer
    x = 679,822.80

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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.