Home / 563,941.36-778,166.90-322,239.66

Finding the Fourth Proportional to 563,941.36, 778,166.90 and 322,239.66

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Solution

The fourth proportional to 563,941.36, 778,166.90 and 322,239.66 is: 444,649.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,941.36 : 778,166.90 = 322,239.66 : x
  2. Step 2: Convert to fraction form
    563,941.36/778,166.90 = 322,239.66/x
  3. Step 3: Cross multiply
    563,941.36x = 778,166.90 × 322,239.66
  4. Step 4: Simplify right side
    563,941.36x = 250,756,231,777.22
  5. Step 5: Solve for x
    x = 250,756,231,777.22/563,941.36
  6. Step 6: Final answer
    x = 444,649.48

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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.