Home / 451,735.61-623,534.73-290,590.77

Finding the Fourth Proportional to 451,735.61, 623,534.73 and 290,590.77

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Solution

The fourth proportional to 451,735.61, 623,534.73 and 290,590.77 is: 401,105.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,735.61 : 623,534.73 = 290,590.77 : x
  2. Step 2: Convert to fraction form
    451,735.61/623,534.73 = 290,590.77/x
  3. Step 3: Cross multiply
    451,735.61x = 623,534.73 × 290,590.77
  4. Step 4: Simplify right side
    451,735.61x = 181,193,437,312.44
  5. Step 5: Solve for x
    x = 181,193,437,312.44/451,735.61
  6. Step 6: Final answer
    x = 401,105.06

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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.