Home / 734,202.88-1,012,826.88-479,703.04

Finding the Fourth Proportional to 734,202.88, 1,012,826.88 and 479,703.04

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Solution

The fourth proportional to 734,202.88, 1,012,826.88 and 479,703.04 is: 661,746.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,202.88 : 1,012,826.88 = 479,703.04 : x
  2. Step 2: Convert to fraction form
    734,202.88/1,012,826.88 = 479,703.04/x
  3. Step 3: Cross multiply
    734,202.88x = 1,012,826.88 × 479,703.04
  4. Step 4: Simplify right side
    734,202.88x = 485,856,133,329.72
  5. Step 5: Solve for x
    x = 485,856,133,329.72/734,202.88
  6. Step 6: Final answer
    x = 661,746.43

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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.