Home / 389,259.80-583,618.02-199,351.16

Finding the Fourth Proportional to 389,259.80, 583,618.02 and 199,351.16

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Solution

The fourth proportional to 389,259.80, 583,618.02 and 199,351.16 is: 298,887.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,259.80 : 583,618.02 = 199,351.16 : x
  2. Step 2: Convert to fraction form
    389,259.80/583,618.02 = 199,351.16/x
  3. Step 3: Cross multiply
    389,259.80x = 583,618.02 × 199,351.16
  4. Step 4: Simplify right side
    389,259.80x = 116,344,929,283.90
  5. Step 5: Solve for x
    x = 116,344,929,283.90/389,259.80
  6. Step 6: Final answer
    x = 298,887.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.