Home / 678,230.20-1,015,595.70-538,262.20

Finding the Fourth Proportional to 678,230.20, 1,015,595.70 and 538,262.20

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Solution

The fourth proportional to 678,230.20, 1,015,595.70 and 538,262.20 is: 806,004.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,230.20 : 1,015,595.70 = 538,262.20 : x
  2. Step 2: Convert to fraction form
    678,230.20/1,015,595.70 = 538,262.20/x
  3. Step 3: Cross multiply
    678,230.20x = 1,015,595.70 × 538,262.20
  4. Step 4: Simplify right side
    678,230.20x = 546,656,775,792.54
  5. Step 5: Solve for x
    x = 546,656,775,792.54/678,230.20
  6. Step 6: Final answer
    x = 806,004.77

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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.