Home / 857,408.40-1,183,165.92-475,421.04

Finding the Fourth Proportional to 857,408.40, 1,183,165.92 and 475,421.04

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Solution

The fourth proportional to 857,408.40, 1,183,165.92 and 475,421.04 is: 656,049.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,408.40 : 1,183,165.92 = 475,421.04 : x
  2. Step 2: Convert to fraction form
    857,408.40/1,183,165.92 = 475,421.04/x
  3. Step 3: Cross multiply
    857,408.40x = 1,183,165.92 × 475,421.04
  4. Step 4: Simplify right side
    857,408.40x = 562,501,972,178.96
  5. Step 5: Solve for x
    x = 562,501,972,178.96/857,408.40
  6. Step 6: Final answer
    x = 656,049.06

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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.