Home / 822,383.16-1,134,544.83-640,779.73

Finding the Fourth Proportional to 822,383.16, 1,134,544.83 and 640,779.73

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Solution

The fourth proportional to 822,383.16, 1,134,544.83 and 640,779.73 is: 884,008.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,383.16 : 1,134,544.83 = 640,779.73 : x
  2. Step 2: Convert to fraction form
    822,383.16/1,134,544.83 = 640,779.73/x
  3. Step 3: Cross multiply
    822,383.16x = 1,134,544.83 × 640,779.73
  4. Step 4: Simplify right side
    822,383.16x = 726,993,329,840.30
  5. Step 5: Solve for x
    x = 726,993,329,840.30/822,383.16
  6. Step 6: Final answer
    x = 884,008.05

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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.