Home / 389,104.02-536,952.78-217,027.08

Finding the Fourth Proportional to 389,104.02, 536,952.78 and 217,027.08

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Solution

The fourth proportional to 389,104.02, 536,952.78 and 217,027.08 is: 299,491.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,104.02 : 536,952.78 = 217,027.08 : x
  2. Step 2: Convert to fraction form
    389,104.02/536,952.78 = 217,027.08/x
  3. Step 3: Cross multiply
    389,104.02x = 536,952.78 × 217,027.08
  4. Step 4: Simplify right side
    389,104.02x = 116,533,293,941.28
  5. Step 5: Solve for x
    x = 116,533,293,941.28/389,104.02
  6. Step 6: Final answer
    x = 299,491.36

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1.5x scale

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.