Home / 556,938.77-835,274.34-257,131.44

Finding the Fourth Proportional to 556,938.77, 835,274.34 and 257,131.44

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Solution

The fourth proportional to 556,938.77, 835,274.34 and 257,131.44 is: 385,635.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,938.77 : 835,274.34 = 257,131.44 : x
  2. Step 2: Convert to fraction form
    556,938.77/835,274.34 = 257,131.44/x
  3. Step 3: Cross multiply
    556,938.77x = 835,274.34 × 257,131.44
  4. Step 4: Simplify right side
    556,938.77x = 214,775,293,839.25
  5. Step 5: Solve for x
    x = 214,775,293,839.25/556,938.77
  6. Step 6: Final answer
    x = 385,635.38

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1.5x scale

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.