Home / 532,327.05-734,622.45-290,619.81

Finding the Fourth Proportional to 532,327.05, 734,622.45 and 290,619.81

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Solution

The fourth proportional to 532,327.05, 734,622.45 and 290,619.81 is: 401,061.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,327.05 : 734,622.45 = 290,619.81 : x
  2. Step 2: Convert to fraction form
    532,327.05/734,622.45 = 290,619.81/x
  3. Step 3: Cross multiply
    532,327.05x = 734,622.45 × 290,619.81
  4. Step 4: Simplify right side
    532,327.05x = 213,495,835,750.91
  5. Step 5: Solve for x
    x = 213,495,835,750.91/532,327.05
  6. Step 6: Final answer
    x = 401,061.41

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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.