Home / 805,817.16-1,111,972.86-466,336.44

Finding the Fourth Proportional to 805,817.16, 1,111,972.86 and 466,336.44

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Solution

The fourth proportional to 805,817.16, 1,111,972.86 and 466,336.44 is: 643,512.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,817.16 : 1,111,972.86 = 466,336.44 : x
  2. Step 2: Convert to fraction form
    805,817.16/1,111,972.86 = 466,336.44/x
  3. Step 3: Cross multiply
    805,817.16x = 1,111,972.86 × 466,336.44
  4. Step 4: Simplify right side
    805,817.16x = 518,553,464,909.02
  5. Step 5: Solve for x
    x = 518,553,464,909.02/805,817.16
  6. Step 6: Final answer
    x = 643,512.56

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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.