Home / 827,830.56-1,143,273.51-570,376.92

Finding the Fourth Proportional to 827,830.56, 1,143,273.51 and 570,376.92

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Solution

The fourth proportional to 827,830.56, 1,143,273.51 and 570,376.92 is: 787,717.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,830.56 : 1,143,273.51 = 570,376.92 : x
  2. Step 2: Convert to fraction form
    827,830.56/1,143,273.51 = 570,376.92/x
  3. Step 3: Cross multiply
    827,830.56x = 1,143,273.51 × 570,376.92
  4. Step 4: Simplify right side
    827,830.56x = 652,096,823,351.39
  5. Step 5: Solve for x
    x = 652,096,823,351.39/827,830.56
  6. Step 6: Final answer
    x = 787,717.75

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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.