Home / 849,676.56-1,172,416.44-487,033.68

Finding the Fourth Proportional to 849,676.56, 1,172,416.44 and 487,033.68

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Solution

The fourth proportional to 849,676.56, 1,172,416.44 and 487,033.68 is: 672,027.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,676.56 : 1,172,416.44 = 487,033.68 : x
  2. Step 2: Convert to fraction form
    849,676.56/1,172,416.44 = 487,033.68/x
  3. Step 3: Cross multiply
    849,676.56x = 1,172,416.44 × 487,033.68
  4. Step 4: Simplify right side
    849,676.56x = 571,006,293,265.70
  5. Step 5: Solve for x
    x = 571,006,293,265.70/849,676.56
  6. Step 6: Final answer
    x = 672,027.83

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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.