Home / 451,634.13-623,285.28-260,643.42

Finding the Fourth Proportional to 451,634.13, 623,285.28 and 260,643.42

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Solution

The fourth proportional to 451,634.13, 623,285.28 and 260,643.42 is: 359,705.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,634.13 : 623,285.28 = 260,643.42 : x
  2. Step 2: Convert to fraction form
    451,634.13/623,285.28 = 260,643.42/x
  3. Step 3: Cross multiply
    451,634.13x = 623,285.28 × 260,643.42
  4. Step 4: Simplify right side
    451,634.13x = 162,455,207,014.86
  5. Step 5: Solve for x
    x = 162,455,207,014.86/451,634.13
  6. Step 6: Final answer
    x = 359,705.34

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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.