Home / 822,190.90-1,233,837.15-289,713.10

Finding the Fourth Proportional to 822,190.90, 1,233,837.15 and 289,713.10

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Solution

The fourth proportional to 822,190.90, 1,233,837.15 and 289,713.10 is: 434,763.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,190.90 : 1,233,837.15 = 289,713.10 : x
  2. Step 2: Convert to fraction form
    822,190.90/1,233,837.15 = 289,713.10/x
  3. Step 3: Cross multiply
    822,190.90x = 1,233,837.15 × 289,713.10
  4. Step 4: Simplify right side
    822,190.90x = 357,458,785,621.67
  5. Step 5: Solve for x
    x = 357,458,785,621.67/822,190.90
  6. Step 6: Final answer
    x = 434,763.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.