Home / 822,924.45-1,135,591.52-455,385.45

Finding the Fourth Proportional to 822,924.45, 1,135,591.52 and 455,385.45

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Solution

The fourth proportional to 822,924.45, 1,135,591.52 and 455,385.45 is: 628,407.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,924.45 : 1,135,591.52 = 455,385.45 : x
  2. Step 2: Convert to fraction form
    822,924.45/1,135,591.52 = 455,385.45/x
  3. Step 3: Cross multiply
    822,924.45x = 1,135,591.52 × 455,385.45
  4. Step 4: Simplify right side
    822,924.45x = 517,131,855,351.38
  5. Step 5: Solve for x
    x = 517,131,855,351.38/822,924.45
  6. Step 6: Final answer
    x = 628,407.45

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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.