Home / 837,920.92-1,257,078.21-276,955.42

Finding the Fourth Proportional to 837,920.92, 1,257,078.21 and 276,955.42

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Solution

The fourth proportional to 837,920.92, 1,257,078.21 and 276,955.42 is: 415,498.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,920.92 : 1,257,078.21 = 276,955.42 : x
  2. Step 2: Convert to fraction form
    837,920.92/1,257,078.21 = 276,955.42/x
  3. Step 3: Cross multiply
    837,920.92x = 1,257,078.21 × 276,955.42
  4. Step 4: Simplify right side
    837,920.92x = 348,154,623,623.40
  5. Step 5: Solve for x
    x = 348,154,623,623.40/837,920.92
  6. Step 6: Final answer
    x = 415,498.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.