Home / 908,370.76-1,253,491.64-545,579.04

Finding the Fourth Proportional to 908,370.76, 1,253,491.64 and 545,579.04

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Solution

The fourth proportional to 908,370.76, 1,253,491.64 and 545,579.04 is: 752,863.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,370.76 : 1,253,491.64 = 545,579.04 : x
  2. Step 2: Convert to fraction form
    908,370.76/1,253,491.64 = 545,579.04/x
  3. Step 3: Cross multiply
    908,370.76x = 1,253,491.64 × 545,579.04
  4. Step 4: Simplify right side
    908,370.76x = 683,878,765,599.23
  5. Step 5: Solve for x
    x = 683,878,765,599.23/908,370.76
  6. Step 6: Final answer
    x = 752,863.03

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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.