Home / 532,441.66-734,784.63-290,739.58

Finding the Fourth Proportional to 532,441.66, 734,784.63 and 290,739.58

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Solution

The fourth proportional to 532,441.66, 734,784.63 and 290,739.58 is: 401,228.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,441.66 : 734,784.63 = 290,739.58 : x
  2. Step 2: Convert to fraction form
    532,441.66/734,784.63 = 290,739.58/x
  3. Step 3: Cross multiply
    532,441.66x = 734,784.63 × 290,739.58
  4. Step 4: Simplify right side
    532,441.66x = 213,630,974,716.66
  5. Step 5: Solve for x
    x = 213,630,974,716.66/532,441.66
  6. Step 6: Final answer
    x = 401,228.89

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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.