Home / 526,947.93-727,202.25-320,145.93

Finding the Fourth Proportional to 526,947.93, 727,202.25 and 320,145.93

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Solution

The fourth proportional to 526,947.93, 727,202.25 and 320,145.93 is: 441,809.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,947.93 : 727,202.25 = 320,145.93 : x
  2. Step 2: Convert to fraction form
    526,947.93/727,202.25 = 320,145.93/x
  3. Step 3: Cross multiply
    526,947.93x = 727,202.25 × 320,145.93
  4. Step 4: Simplify right side
    526,947.93x = 232,810,840,624.34
  5. Step 5: Solve for x
    x = 232,810,840,624.34/526,947.93
  6. Step 6: Final answer
    x = 441,809.95

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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.