Home / 612,811.72-918,966.06-233,870.44

Finding the Fourth Proportional to 612,811.72, 918,966.06 and 233,870.44

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Solution

The fourth proportional to 612,811.72, 918,966.06 and 233,870.44 is: 350,709.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,811.72 : 918,966.06 = 233,870.44 : x
  2. Step 2: Convert to fraction form
    612,811.72/918,966.06 = 233,870.44/x
  3. Step 3: Cross multiply
    612,811.72x = 918,966.06 × 233,870.44
  4. Step 4: Simplify right side
    612,811.72x = 214,918,996,797.27
  5. Step 5: Solve for x
    x = 214,918,996,797.27/612,811.72
  6. Step 6: Final answer
    x = 350,709.67

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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.