Home / 400,649.02-552,895.67-219,360.96

Finding the Fourth Proportional to 400,649.02, 552,895.67 and 219,360.96

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Solution

The fourth proportional to 400,649.02, 552,895.67 and 219,360.96 is: 302,718.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,649.02 : 552,895.67 = 219,360.96 : x
  2. Step 2: Convert to fraction form
    400,649.02/552,895.67 = 219,360.96/x
  3. Step 3: Cross multiply
    400,649.02x = 552,895.67 × 219,360.96
  4. Step 4: Simplify right side
    400,649.02x = 121,283,725,499.45
  5. Step 5: Solve for x
    x = 121,283,725,499.45/400,649.02
  6. Step 6: Final answer
    x = 302,718.14

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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.