Home / 563,845.11-777,353.38-447,943.06

Finding the Fourth Proportional to 563,845.11, 777,353.38 and 447,943.06

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Solution

The fourth proportional to 563,845.11, 777,353.38 and 447,943.06 is: 617,563.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,845.11 : 777,353.38 = 447,943.06 : x
  2. Step 2: Convert to fraction form
    563,845.11/777,353.38 = 447,943.06/x
  3. Step 3: Cross multiply
    563,845.11x = 777,353.38 × 447,943.06
  4. Step 4: Simplify right side
    563,845.11x = 348,210,051,738.54
  5. Step 5: Solve for x
    x = 348,210,051,738.54/563,845.11
  6. Step 6: Final answer
    x = 617,563.31

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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.