Home / 389,008.41-536,810.90-216,944.06

Finding the Fourth Proportional to 389,008.41, 536,810.90 and 216,944.06

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Solution

The fourth proportional to 389,008.41, 536,810.90 and 216,944.06 is: 299,371.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,008.41 : 536,810.90 = 216,944.06 : x
  2. Step 2: Convert to fraction form
    389,008.41/536,810.90 = 216,944.06/x
  3. Step 3: Cross multiply
    389,008.41x = 536,810.90 × 216,944.06
  4. Step 4: Simplify right side
    389,008.41x = 116,457,932,329.48
  5. Step 5: Solve for x
    x = 116,457,932,329.48/389,008.41
  6. Step 6: Final answer
    x = 299,371.25

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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.