Home / 1,036,728.95-1,555,093.43-859,581.95

Finding the Fourth Proportional to 1,036,728.95, 1,555,093.43 and 859,581.95

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Solution

The fourth proportional to 1,036,728.95, 1,555,093.43 and 859,581.95 is: 1,289,372.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,728.95 : 1,555,093.43 = 859,581.95 : x
  2. Step 2: Convert to fraction form
    1,036,728.95/1,555,093.43 = 859,581.95/x
  3. Step 3: Cross multiply
    1,036,728.95x = 1,555,093.43 × 859,581.95
  4. Step 4: Simplify right side
    1,036,728.95x = 1,336,730,242,991.59
  5. Step 5: Solve for x
    x = 1,336,730,242,991.59/1,036,728.95
  6. Step 6: Final answer
    x = 1,289,372.93

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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.