Home / 563,015.15-776,961.32-304,894.13

Finding the Fourth Proportional to 563,015.15, 776,961.32 and 304,894.13

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Solution

The fourth proportional to 563,015.15, 776,961.32 and 304,894.13 is: 420,754.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,015.15 : 776,961.32 = 304,894.13 : x
  2. Step 2: Convert to fraction form
    563,015.15/776,961.32 = 304,894.13/x
  3. Step 3: Cross multiply
    563,015.15x = 776,961.32 × 304,894.13
  4. Step 4: Simplify right side
    563,015.15x = 236,890,940,295.77
  5. Step 5: Solve for x
    x = 236,890,940,295.77/563,015.15
  6. Step 6: Final answer
    x = 420,754.12

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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.