Home / 840,817.63-1,160,352.98-458,868.97

Finding the Fourth Proportional to 840,817.63, 1,160,352.98 and 458,868.97

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Solution

The fourth proportional to 840,817.63, 1,160,352.98 and 458,868.97 is: 633,252.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,817.63 : 1,160,352.98 = 458,868.97 : x
  2. Step 2: Convert to fraction form
    840,817.63/1,160,352.98 = 458,868.97/x
  3. Step 3: Cross multiply
    840,817.63x = 1,160,352.98 × 458,868.97
  4. Step 4: Simplify right side
    840,817.63x = 532,449,976,769.03
  5. Step 5: Solve for x
    x = 532,449,976,769.03/840,817.63
  6. Step 6: Final answer
    x = 633,252.63

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1.5x scale

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.