Home / 896,249.08-1,236,809.22-488,356.36

Finding the Fourth Proportional to 896,249.08, 1,236,809.22 and 488,356.36

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Solution

The fourth proportional to 896,249.08, 1,236,809.22 and 488,356.36 is: 673,923.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,249.08 : 1,236,809.22 = 488,356.36 : x
  2. Step 2: Convert to fraction form
    896,249.08/1,236,809.22 = 488,356.36/x
  3. Step 3: Cross multiply
    896,249.08x = 1,236,809.22 × 488,356.36
  4. Step 4: Simplify right side
    896,249.08x = 604,003,648,693.64
  5. Step 5: Solve for x
    x = 604,003,648,693.64/896,249.08
  6. Step 6: Final answer
    x = 673,923.87

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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.