Home / 563,198.29-777,216.41-308,549.59

Finding the Fourth Proportional to 563,198.29, 777,216.41 and 308,549.59

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Solution

The fourth proportional to 563,198.29, 777,216.41 and 308,549.59 is: 425,799.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,198.29 : 777,216.41 = 308,549.59 : x
  2. Step 2: Convert to fraction form
    563,198.29/777,216.41 = 308,549.59/x
  3. Step 3: Cross multiply
    563,198.29x = 777,216.41 × 308,549.59
  4. Step 4: Simplify right side
    563,198.29x = 239,809,804,646.77
  5. Step 5: Solve for x
    x = 239,809,804,646.77/563,198.29
  6. Step 6: Final answer
    x = 425,799.95

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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.