Home / 578,191.46-797,865.68-320,050.94

Finding the Fourth Proportional to 578,191.46, 797,865.68 and 320,050.94

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Solution

The fourth proportional to 578,191.46, 797,865.68 and 320,050.94 is: 441,648.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,191.46 : 797,865.68 = 320,050.94 : x
  2. Step 2: Convert to fraction form
    578,191.46/797,865.68 = 320,050.94/x
  3. Step 3: Cross multiply
    578,191.46x = 797,865.68 × 320,050.94
  4. Step 4: Simplify right side
    578,191.46x = 255,357,659,277.49
  5. Step 5: Solve for x
    x = 255,357,659,277.49/578,191.46
  6. Step 6: Final answer
    x = 441,648.96

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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.