Home / 934,172.56-1,289,162.06-526,279.28

Finding the Fourth Proportional to 934,172.56, 1,289,162.06 and 526,279.28

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Solution

The fourth proportional to 934,172.56, 1,289,162.06 and 526,279.28 is: 726,267.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,172.56 : 1,289,162.06 = 526,279.28 : x
  2. Step 2: Convert to fraction form
    934,172.56/1,289,162.06 = 526,279.28/x
  3. Step 3: Cross multiply
    934,172.56x = 1,289,162.06 × 526,279.28
  4. Step 4: Simplify right side
    934,172.56x = 678,459,280,740.12
  5. Step 5: Solve for x
    x = 678,459,280,740.12/934,172.56
  6. Step 6: Final answer
    x = 726,267.62

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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.