Home / 849,676.31-1,172,416.11-487,033.44

Finding the Fourth Proportional to 849,676.31, 1,172,416.11 and 487,033.44

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Solution

The fourth proportional to 849,676.31, 1,172,416.11 and 487,033.44 is: 672,027.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,676.31 : 1,172,416.11 = 487,033.44 : x
  2. Step 2: Convert to fraction form
    849,676.31/1,172,416.11 = 487,033.44/x
  3. Step 3: Cross multiply
    849,676.31x = 1,172,416.11 × 487,033.44
  4. Step 4: Simplify right side
    849,676.31x = 571,005,851,164.72
  5. Step 5: Solve for x
    x = 571,005,851,164.72/849,676.31
  6. Step 6: Final answer
    x = 672,027.51

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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.