Home / 763,833.25-1,145,742.58-464,396.50

Finding the Fourth Proportional to 763,833.25, 1,145,742.58 and 464,396.50

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Solution

The fourth proportional to 763,833.25, 1,145,742.58 and 464,396.50 is: 696,590.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,833.25 : 1,145,742.58 = 464,396.50 : x
  2. Step 2: Convert to fraction form
    763,833.25/1,145,742.58 = 464,396.50/x
  3. Step 3: Cross multiply
    763,833.25x = 1,145,742.58 × 464,396.50
  4. Step 4: Simplify right side
    763,833.25x = 532,078,844,052.97
  5. Step 5: Solve for x
    x = 532,078,844,052.97/763,833.25
  6. Step 6: Final answer
    x = 696,590.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.