Home / 822,066.42-1,233,071.85-289,573.56

Finding the Fourth Proportional to 822,066.42, 1,233,071.85 and 289,573.56

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Solution

The fourth proportional to 822,066.42, 1,233,071.85 and 289,573.56 is: 434,350.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,066.42 : 1,233,071.85 = 289,573.56 : x
  2. Step 2: Convert to fraction form
    822,066.42/1,233,071.85 = 289,573.56/x
  3. Step 3: Cross multiply
    822,066.42x = 1,233,071.85 × 289,573.56
  4. Step 4: Simplify right side
    822,066.42x = 357,065,005,340.29
  5. Step 5: Solve for x
    x = 357,065,005,340.29/822,066.42
  6. Step 6: Final answer
    x = 434,350.55

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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.