Home / 822,592.40-1,135,156.16-455,083.11

Finding the Fourth Proportional to 822,592.40, 1,135,156.16 and 455,083.11

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Solution

The fourth proportional to 822,592.40, 1,135,156.16 and 455,083.11 is: 628,002.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,592.40 : 1,135,156.16 = 455,083.11 : x
  2. Step 2: Convert to fraction form
    822,592.40/1,135,156.16 = 455,083.11/x
  3. Step 3: Cross multiply
    822,592.40x = 1,135,156.16 × 455,083.11
  4. Step 4: Simplify right side
    822,592.40x = 516,590,393,353.04
  5. Step 5: Solve for x
    x = 516,590,393,353.04/822,592.40
  6. Step 6: Final answer
    x = 628,002.88

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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.