Home / 532,430.14-734,748.96-290,711.56

Finding the Fourth Proportional to 532,430.14, 734,748.96 and 290,711.56

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Solution

The fourth proportional to 532,430.14, 734,748.96 and 290,711.56 is: 401,179.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,430.14 : 734,748.96 = 290,711.56 : x
  2. Step 2: Convert to fraction form
    532,430.14/734,748.96 = 290,711.56/x
  3. Step 3: Cross multiply
    532,430.14x = 734,748.96 × 290,711.56
  4. Step 4: Simplify right side
    532,430.14x = 213,600,016,369.98
  5. Step 5: Solve for x
    x = 213,600,016,369.98/532,430.14
  6. Step 6: Final answer
    x = 401,179.42

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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.