Home / 415,112.08-572,897.82-254,074.36

Finding the Fourth Proportional to 415,112.08, 572,897.82 and 254,074.36

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Solution

The fourth proportional to 415,112.08, 572,897.82 and 254,074.36 is: 350,649.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,112.08 : 572,897.82 = 254,074.36 : x
  2. Step 2: Convert to fraction form
    415,112.08/572,897.82 = 254,074.36/x
  3. Step 3: Cross multiply
    415,112.08x = 572,897.82 × 254,074.36
  4. Step 4: Simplify right side
    415,112.08x = 145,558,646,961.90
  5. Step 5: Solve for x
    x = 145,558,646,961.90/415,112.08
  6. Step 6: Final answer
    x = 350,649.03

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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.