Home / 821,770.07-1,134,040.30-459,194.29

Finding the Fourth Proportional to 821,770.07, 1,134,040.30 and 459,194.29

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Solution

The fourth proportional to 821,770.07, 1,134,040.30 and 459,194.29 is: 633,686.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,770.07 : 1,134,040.30 = 459,194.29 : x
  2. Step 2: Convert to fraction form
    821,770.07/1,134,040.30 = 459,194.29/x
  3. Step 3: Cross multiply
    821,770.07x = 1,134,040.30 × 459,194.29
  4. Step 4: Simplify right side
    821,770.07x = 520,744,829,596.29
  5. Step 5: Solve for x
    x = 520,744,829,596.29/821,770.07
  6. Step 6: Final answer
    x = 633,686.78

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Double scale
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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.