Home / 653,111.89-901,427.02-377,481.44

Finding the Fourth Proportional to 653,111.89, 901,427.02 and 377,481.44

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Solution

The fourth proportional to 653,111.89, 901,427.02 and 377,481.44 is: 521,001.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,111.89 : 901,427.02 = 377,481.44 : x
  2. Step 2: Convert to fraction form
    653,111.89/901,427.02 = 377,481.44/x
  3. Step 3: Cross multiply
    653,111.89x = 901,427.02 × 377,481.44
  4. Step 4: Simplify right side
    653,111.89x = 340,271,970,874.37
  5. Step 5: Solve for x
    x = 340,271,970,874.37/653,111.89
  6. Step 6: Final answer
    x = 521,001.04

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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.