Home / 753,848.88-1,040,320.20-414,317.68

Finding the Fourth Proportional to 753,848.88, 1,040,320.20 and 414,317.68

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Solution

The fourth proportional to 753,848.88, 1,040,320.20 and 414,317.68 is: 571,763.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,848.88 : 1,040,320.20 = 414,317.68 : x
  2. Step 2: Convert to fraction form
    753,848.88/1,040,320.20 = 414,317.68/x
  3. Step 3: Cross multiply
    753,848.88x = 1,040,320.20 × 414,317.68
  4. Step 4: Simplify right side
    753,848.88x = 431,023,051,721.14
  5. Step 5: Solve for x
    x = 431,023,051,721.14/753,848.88
  6. Step 6: Final answer
    x = 571,763.21

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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.