Home / 563,111.57-776,471.31-358,838.96

Finding the Fourth Proportional to 563,111.57, 776,471.31 and 358,838.96

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Solution

The fourth proportional to 563,111.57, 776,471.31 and 358,838.96 is: 494,800.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,111.57 : 776,471.31 = 358,838.96 : x
  2. Step 2: Convert to fraction form
    563,111.57/776,471.31 = 358,838.96/x
  3. Step 3: Cross multiply
    563,111.57x = 776,471.31 × 358,838.96
  4. Step 4: Simplify right side
    563,111.57x = 278,628,153,467.88
  5. Step 5: Solve for x
    x = 278,628,153,467.88/563,111.57
  6. Step 6: Final answer
    x = 494,800.97

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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.