Home / 607,921.77-911,693.11-228,895.23

Finding the Fourth Proportional to 607,921.77, 911,693.11 and 228,895.23

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Solution

The fourth proportional to 607,921.77, 911,693.11 and 228,895.23 is: 343,271.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,921.77 : 911,693.11 = 228,895.23 : x
  2. Step 2: Convert to fraction form
    607,921.77/911,693.11 = 228,895.23/x
  3. Step 3: Cross multiply
    607,921.77x = 911,693.11 × 228,895.23
  4. Step 4: Simplify right side
    607,921.77x = 208,682,198,972.16
  5. Step 5: Solve for x
    x = 208,682,198,972.16/607,921.77
  6. Step 6: Final answer
    x = 343,271.47

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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.