Home / 538,090.49-742,849.85-416,959.85

Finding the Fourth Proportional to 538,090.49, 742,849.85 and 416,959.85

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Solution

The fourth proportional to 538,090.49, 742,849.85 and 416,959.85 is: 575,625.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,090.49 : 742,849.85 = 416,959.85 : x
  2. Step 2: Convert to fraction form
    538,090.49/742,849.85 = 416,959.85/x
  3. Step 3: Cross multiply
    538,090.49x = 742,849.85 × 416,959.85
  4. Step 4: Simplify right side
    538,090.49x = 309,738,562,028.52
  5. Step 5: Solve for x
    x = 309,738,562,028.52/538,090.49
  6. Step 6: Final answer
    x = 575,625.42

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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.