Home / 852,677.42-1,176,716.23-485,134.29

Finding the Fourth Proportional to 852,677.42, 1,176,716.23 and 485,134.29

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Solution

The fourth proportional to 852,677.42, 1,176,716.23 and 485,134.29 is: 669,497.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,677.42 : 1,176,716.23 = 485,134.29 : x
  2. Step 2: Convert to fraction form
    852,677.42/1,176,716.23 = 485,134.29/x
  3. Step 3: Cross multiply
    852,677.42x = 1,176,716.23 × 485,134.29
  4. Step 4: Simplify right side
    852,677.42x = 570,865,391,559.69
  5. Step 5: Solve for x
    x = 570,865,391,559.69/852,677.42
  6. Step 6: Final answer
    x = 669,497.49

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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.