Home / 412,538.02-569,328.78-231,250.03

Finding the Fourth Proportional to 412,538.02, 569,328.78 and 231,250.03

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Solution

The fourth proportional to 412,538.02, 569,328.78 and 231,250.03 is: 319,139.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,538.02 : 569,328.78 = 231,250.03 : x
  2. Step 2: Convert to fraction form
    412,538.02/569,328.78 = 231,250.03/x
  3. Step 3: Cross multiply
    412,538.02x = 569,328.78 × 231,250.03
  4. Step 4: Simplify right side
    412,538.02x = 131,657,297,454.86
  5. Step 5: Solve for x
    x = 131,657,297,454.86/412,538.02
  6. Step 6: Final answer
    x = 319,139.79

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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.