Home / 933,124.80-1,399,687.20-372,561.60

Finding the Fourth Proportional to 933,124.80, 1,399,687.20 and 372,561.60

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Solution

The fourth proportional to 933,124.80, 1,399,687.20 and 372,561.60 is: 558,842.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,124.80 : 1,399,687.20 = 372,561.60 : x
  2. Step 2: Convert to fraction form
    933,124.80/1,399,687.20 = 372,561.60/x
  3. Step 3: Cross multiply
    933,124.80x = 1,399,687.20 × 372,561.60
  4. Step 4: Simplify right side
    933,124.80x = 521,469,702,731.52
  5. Step 5: Solve for x
    x = 521,469,702,731.52/933,124.80
  6. Step 6: Final answer
    x = 558,842.40

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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.