Home / 934,172.68-1,289,162.24-526,279.42

Finding the Fourth Proportional to 934,172.68, 1,289,162.24 and 526,279.42

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Solution

The fourth proportional to 934,172.68, 1,289,162.24 and 526,279.42 is: 726,267.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,172.68 : 1,289,162.24 = 526,279.42 : x
  2. Step 2: Convert to fraction form
    934,172.68/1,289,162.24 = 526,279.42/x
  3. Step 3: Cross multiply
    934,172.68x = 1,289,162.24 × 526,279.42
  4. Step 4: Simplify right side
    934,172.68x = 678,459,546,875.89
  5. Step 5: Solve for x
    x = 678,459,546,875.89/934,172.68
  6. Step 6: Final answer
    x = 726,267.81

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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.