Home / 563,839.58-777,345.80-447,937.56

Finding the Fourth Proportional to 563,839.58, 777,345.80 and 447,937.56

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Solution

The fourth proportional to 563,839.58, 777,345.80 and 447,937.56 is: 617,555.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,839.58 : 777,345.80 = 447,937.56 : x
  2. Step 2: Convert to fraction form
    563,839.58/777,345.80 = 447,937.56/x
  3. Step 3: Cross multiply
    563,839.58x = 777,345.80 × 447,937.56
  4. Step 4: Simplify right side
    563,839.58x = 348,202,378,688.56
  5. Step 5: Solve for x
    x = 348,202,378,688.56/563,839.58
  6. Step 6: Final answer
    x = 617,555.75

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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.