Home / 532,296.81-734,570.93-290,579.55

Finding the Fourth Proportional to 532,296.81, 734,570.93 and 290,579.55

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Solution

The fourth proportional to 532,296.81, 734,570.93 and 290,579.55 is: 401,000.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,296.81 : 734,570.93 = 290,579.55 : x
  2. Step 2: Convert to fraction form
    532,296.81/734,570.93 = 290,579.55/x
  3. Step 3: Cross multiply
    532,296.81x = 734,570.93 × 290,579.55
  4. Step 4: Simplify right side
    532,296.81x = 213,451,288,829.58
  5. Step 5: Solve for x
    x = 213,451,288,829.58/532,296.81
  6. Step 6: Final answer
    x = 401,000.50

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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.