Home / 373,947.74-515,786.02-253,035.80

Finding the Fourth Proportional to 373,947.74, 515,786.02 and 253,035.80

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Solution

The fourth proportional to 373,947.74, 515,786.02 and 253,035.80 is: 349,012.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,947.74 : 515,786.02 = 253,035.80 : x
  2. Step 2: Convert to fraction form
    373,947.74/515,786.02 = 253,035.80/x
  3. Step 3: Cross multiply
    373,947.74x = 515,786.02 × 253,035.80
  4. Step 4: Simplify right side
    373,947.74x = 130,512,328,199.52
  5. Step 5: Solve for x
    x = 130,512,328,199.52/373,947.74
  6. Step 6: Final answer
    x = 349,012.21

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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.