Home / 753,699.20-1,040,092.80-414,160.16

Finding the Fourth Proportional to 753,699.20, 1,040,092.80 and 414,160.16

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Solution

The fourth proportional to 753,699.20, 1,040,092.80 and 414,160.16 is: 571,534.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,699.20 : 1,040,092.80 = 414,160.16 : x
  2. Step 2: Convert to fraction form
    753,699.20/1,040,092.80 = 414,160.16/x
  3. Step 3: Cross multiply
    753,699.20x = 1,040,092.80 × 414,160.16
  4. Step 4: Simplify right side
    753,699.20x = 430,765,000,462.85
  5. Step 5: Solve for x
    x = 430,765,000,462.85/753,699.20
  6. Step 6: Final answer
    x = 571,534.37

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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.