Home / 719,087.95-992,312.35-396,793.85

Finding the Fourth Proportional to 719,087.95, 992,312.35 and 396,793.85

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Solution

The fourth proportional to 719,087.95, 992,312.35 and 396,793.85 is: 547,559.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,087.95 : 992,312.35 = 396,793.85 : x
  2. Step 2: Convert to fraction form
    719,087.95/992,312.35 = 396,793.85/x
  3. Step 3: Cross multiply
    719,087.95x = 992,312.35 × 396,793.85
  4. Step 4: Simplify right side
    719,087.95x = 393,743,437,759.05
  5. Step 5: Solve for x
    x = 393,743,437,759.05/719,087.95
  6. Step 6: Final answer
    x = 547,559.50

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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.