Home / 755,183.06-1,042,130.85-415,644.02

Finding the Fourth Proportional to 755,183.06, 1,042,130.85 and 415,644.02

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Solution

The fourth proportional to 755,183.06, 1,042,130.85 and 415,644.02 is: 573,576.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,183.06 : 1,042,130.85 = 415,644.02 : x
  2. Step 2: Convert to fraction form
    755,183.06/1,042,130.85 = 415,644.02/x
  3. Step 3: Cross multiply
    755,183.06x = 1,042,130.85 × 415,644.02
  4. Step 4: Simplify right side
    755,183.06x = 433,155,455,860.02
  5. Step 5: Solve for x
    x = 433,155,455,860.02/755,183.06
  6. Step 6: Final answer
    x = 573,576.76

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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.