Home / 381,848.62-526,516.32-243,841.66

Finding the Fourth Proportional to 381,848.62, 526,516.32 and 243,841.66

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Solution

The fourth proportional to 381,848.62, 526,516.32 and 243,841.66 is: 336,223.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,848.62 : 526,516.32 = 243,841.66 : x
  2. Step 2: Convert to fraction form
    381,848.62/526,516.32 = 243,841.66/x
  3. Step 3: Cross multiply
    381,848.62x = 526,516.32 × 243,841.66
  4. Step 4: Simplify right side
    381,848.62x = 128,386,613,485.89
  5. Step 5: Solve for x
    x = 128,386,613,485.89/381,848.62
  6. Step 6: Final answer
    x = 336,223.85

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1.5x scale

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.