Home / 919,419.66-1,379,526.12-350,971.38

Finding the Fourth Proportional to 919,419.66, 1,379,526.12 and 350,971.38

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Solution

The fourth proportional to 919,419.66, 1,379,526.12 and 350,971.38 is: 526,608.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,419.66 : 1,379,526.12 = 350,971.38 : x
  2. Step 2: Convert to fraction form
    919,419.66/1,379,526.12 = 350,971.38/x
  3. Step 3: Cross multiply
    919,419.66x = 1,379,526.12 × 350,971.38
  4. Step 4: Simplify right side
    919,419.66x = 484,174,186,082.45
  5. Step 5: Solve for x
    x = 484,174,186,082.45/919,419.66
  6. Step 6: Final answer
    x = 526,608.48

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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.