Home / 934,172.87-1,289,162.51-526,279.59

Finding the Fourth Proportional to 934,172.87, 1,289,162.51 and 526,279.59

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Solution

The fourth proportional to 934,172.87, 1,289,162.51 and 526,279.59 is: 726,268.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,172.87 : 1,289,162.51 = 526,279.59 : x
  2. Step 2: Convert to fraction form
    934,172.87/1,289,162.51 = 526,279.59/x
  3. Step 3: Cross multiply
    934,172.87x = 1,289,162.51 × 526,279.59
  4. Step 4: Simplify right side
    934,172.87x = 678,459,917,797.68
  5. Step 5: Solve for x
    x = 678,459,917,797.68/934,172.87
  6. Step 6: Final answer
    x = 726,268.06

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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.