Home / 351,395.76-526,541.72-271,629.18

Finding the Fourth Proportional to 351,395.76, 526,541.72 and 271,629.18

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Solution

The fourth proportional to 351,395.76, 526,541.72 and 271,629.18 is: 407,017.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,395.76 : 526,541.72 = 271,629.18 : x
  2. Step 2: Convert to fraction form
    351,395.76/526,541.72 = 271,629.18/x
  3. Step 3: Cross multiply
    351,395.76x = 526,541.72 × 271,629.18
  4. Step 4: Simplify right side
    351,395.76x = 143,024,095,639.39
  5. Step 5: Solve for x
    x = 143,024,095,639.39/351,395.76
  6. Step 6: Final answer
    x = 407,017.14

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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.