Home / 730,474.03-1,008,034.80-408,186.77

Finding the Fourth Proportional to 730,474.03, 1,008,034.80 and 408,186.77

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Solution

The fourth proportional to 730,474.03, 1,008,034.80 and 408,186.77 is: 563,286.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,474.03 : 1,008,034.80 = 408,186.77 : x
  2. Step 2: Convert to fraction form
    730,474.03/1,008,034.80 = 408,186.77/x
  3. Step 3: Cross multiply
    730,474.03x = 1,008,034.80 × 408,186.77
  4. Step 4: Simplify right side
    730,474.03x = 411,466,469,059.60
  5. Step 5: Solve for x
    x = 411,466,469,059.60/730,474.03
  6. Step 6: Final answer
    x = 563,286.93

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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.