Home / 776,517.59-1,071,584.10-449,875.14

Finding the Fourth Proportional to 776,517.59, 1,071,584.10 and 449,875.14

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Solution

The fourth proportional to 776,517.59, 1,071,584.10 and 449,875.14 is: 620,821.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,517.59 : 1,071,584.10 = 449,875.14 : x
  2. Step 2: Convert to fraction form
    776,517.59/1,071,584.10 = 449,875.14/x
  3. Step 3: Cross multiply
    776,517.59x = 1,071,584.10 × 449,875.14
  4. Step 4: Simplify right side
    776,517.59x = 482,079,047,009.27
  5. Step 5: Solve for x
    x = 482,079,047,009.27/776,517.59
  6. Step 6: Final answer
    x = 620,821.80

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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.