Home / 1,630,960.84-2,250,789.28-905,863.68

Finding the Fourth Proportional to 1,630,960.84, 2,250,789.28 and 905,863.68

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Solution

The fourth proportional to 1,630,960.84, 2,250,789.28 and 905,863.68 is: 1,250,127.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,960.84 : 2,250,789.28 = 905,863.68 : x
  2. Step 2: Convert to fraction form
    1,630,960.84/2,250,789.28 = 905,863.68/x
  3. Step 3: Cross multiply
    1,630,960.84x = 2,250,789.28 × 905,863.68
  4. Step 4: Simplify right side
    1,630,960.84x = 2,038,908,260,085.35
  5. Step 5: Solve for x
    x = 2,038,908,260,085.35/1,630,960.84
  6. Step 6: Final answer
    x = 1,250,127.05

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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.