Home / 681,561.50-1,022,526.32-208,233.95

Finding the Fourth Proportional to 681,561.50, 1,022,526.32 and 208,233.95

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Solution

The fourth proportional to 681,561.50, 1,022,526.32 and 208,233.95 is: 312,407.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,561.50 : 1,022,526.32 = 208,233.95 : x
  2. Step 2: Convert to fraction form
    681,561.50/1,022,526.32 = 208,233.95/x
  3. Step 3: Cross multiply
    681,561.50x = 1,022,526.32 × 208,233.95
  4. Step 4: Simplify right side
    681,561.50x = 212,924,688,438.76
  5. Step 5: Solve for x
    x = 212,924,688,438.76/681,561.50
  6. Step 6: Final answer
    x = 312,407.16

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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.