Home / 842,938.64-1,163,255.28-460,965.68

Finding the Fourth Proportional to 842,938.64, 1,163,255.28 and 460,965.68

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Solution

The fourth proportional to 842,938.64, 1,163,255.28 and 460,965.68 is: 636,132.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,938.64 : 1,163,255.28 = 460,965.68 : x
  2. Step 2: Convert to fraction form
    842,938.64/1,163,255.28 = 460,965.68/x
  3. Step 3: Cross multiply
    842,938.64x = 1,163,255.28 × 460,965.68
  4. Step 4: Simplify right side
    842,938.64x = 536,220,761,158.79
  5. Step 5: Solve for x
    x = 536,220,761,158.79/842,938.64
  6. Step 6: Final answer
    x = 636,132.61

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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.