Home / 563,036.06-776,989.87-308,396.36

Finding the Fourth Proportional to 563,036.06, 776,989.87 and 308,396.36

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Solution

The fourth proportional to 563,036.06, 776,989.87 and 308,396.36 is: 425,587.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,036.06 : 776,989.87 = 308,396.36 : x
  2. Step 2: Convert to fraction form
    563,036.06/776,989.87 = 308,396.36/x
  3. Step 3: Cross multiply
    563,036.06x = 776,989.87 × 308,396.36
  4. Step 4: Simplify right side
    563,036.06x = 239,620,848,836.36
  5. Step 5: Solve for x
    x = 239,620,848,836.36/563,036.06
  6. Step 6: Final answer
    x = 425,587.04

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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.