Home / 612,623.56-918,935.54-252,789.16

Finding the Fourth Proportional to 612,623.56, 918,935.54 and 252,789.16

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Solution

The fourth proportional to 612,623.56, 918,935.54 and 252,789.16 is: 379,183.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,623.56 : 918,935.54 = 252,789.16 : x
  2. Step 2: Convert to fraction form
    612,623.56/918,935.54 = 252,789.16/x
  3. Step 3: Cross multiply
    612,623.56x = 918,935.54 × 252,789.16
  4. Step 4: Simplify right side
    612,623.56x = 232,296,943,250.75
  5. Step 5: Solve for x
    x = 232,296,943,250.75/612,623.56
  6. Step 6: Final answer
    x = 379,183.82

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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.