Home / 563,583.51-777,745.26-308,929.23

Finding the Fourth Proportional to 563,583.51, 777,745.26 and 308,929.23

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Solution

The fourth proportional to 563,583.51, 777,745.26 and 308,929.23 is: 426,322.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,583.51 : 777,745.26 = 308,929.23 : x
  2. Step 2: Convert to fraction form
    563,583.51/777,745.26 = 308,929.23/x
  3. Step 3: Cross multiply
    563,583.51x = 777,745.26 × 308,929.23
  4. Step 4: Simplify right side
    563,583.51x = 240,268,244,307.95
  5. Step 5: Solve for x
    x = 240,268,244,307.95/563,583.51
  6. Step 6: Final answer
    x = 426,322.35

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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.