Home / 1,293,520.20-1,785,111.66-720,560.22

Finding the Fourth Proportional to 1,293,520.20, 1,785,111.66 and 720,560.22

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Solution

The fourth proportional to 1,293,520.20, 1,785,111.66 and 720,560.22 is: 994,403.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,520.20 : 1,785,111.66 = 720,560.22 : x
  2. Step 2: Convert to fraction form
    1,293,520.20/1,785,111.66 = 720,560.22/x
  3. Step 3: Cross multiply
    1,293,520.20x = 1,785,111.66 × 720,560.22
  4. Step 4: Simplify right side
    1,293,520.20x = 1,286,280,450,454.17
  5. Step 5: Solve for x
    x = 1,286,280,450,454.17/1,293,520.20
  6. Step 6: Final answer
    x = 994,403.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.