Home / 822,560.01-1,135,085.72-455,015.22

Finding the Fourth Proportional to 822,560.01, 1,135,085.72 and 455,015.22

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Solution

The fourth proportional to 822,560.01, 1,135,085.72 and 455,015.22 is: 627,894.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,560.01 : 1,135,085.72 = 455,015.22 : x
  2. Step 2: Convert to fraction form
    822,560.01/1,135,085.72 = 455,015.22/x
  3. Step 3: Cross multiply
    822,560.01x = 1,135,085.72 × 455,015.22
  4. Step 4: Simplify right side
    822,560.01x = 516,481,276,329.58
  5. Step 5: Solve for x
    x = 516,481,276,329.58/822,560.01
  6. Step 6: Final answer
    x = 627,894.95

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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.