Home / 919,421.16-1,379,528.37-350,972.88

Finding the Fourth Proportional to 919,421.16, 1,379,528.37 and 350,972.88

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Solution

The fourth proportional to 919,421.16, 1,379,528.37 and 350,972.88 is: 526,610.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,421.16 : 1,379,528.37 = 350,972.88 : x
  2. Step 2: Convert to fraction form
    919,421.16/1,379,528.37 = 350,972.88/x
  3. Step 3: Cross multiply
    919,421.16x = 1,379,528.37 × 350,972.88
  4. Step 4: Simplify right side
    919,421.16x = 484,177,045,060.61
  5. Step 5: Solve for x
    x = 484,177,045,060.61/919,421.16
  6. Step 6: Final answer
    x = 526,610.73

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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.