Home / 532,454.30-734,784.00-290,735.15

Finding the Fourth Proportional to 532,454.30, 734,784.00 and 290,735.15

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Solution

The fourth proportional to 532,454.30, 734,784.00 and 290,735.15 is: 401,212.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,454.30 : 734,784.00 = 290,735.15 : x
  2. Step 2: Convert to fraction form
    532,454.30/734,784.00 = 290,735.15/x
  3. Step 3: Cross multiply
    532,454.30x = 734,784.00 × 290,735.15
  4. Step 4: Simplify right side
    532,454.30x = 213,627,537,461.97
  5. Step 5: Solve for x
    x = 213,627,537,461.97/532,454.30
  6. Step 6: Final answer
    x = 401,212.91

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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.