Home / 1,291,856.58-1,780,914.06-908,694.18

Finding the Fourth Proportional to 1,291,856.58, 1,780,914.06 and 908,694.18

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Solution

The fourth proportional to 1,291,856.58, 1,780,914.06 and 908,694.18 is: 1,252,698.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,856.58 : 1,780,914.06 = 908,694.18 : x
  2. Step 2: Convert to fraction form
    1,291,856.58/1,780,914.06 = 908,694.18/x
  3. Step 3: Cross multiply
    1,291,856.58x = 1,780,914.06 × 908,694.18
  4. Step 4: Simplify right side
    1,291,856.58x = 1,618,306,241,402.17
  5. Step 5: Solve for x
    x = 1,618,306,241,402.17/1,291,856.58
  6. Step 6: Final answer
    x = 1,252,698.07

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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.