Home / 1,010,455.90-1,515,511.56-336,460.72

Finding the Fourth Proportional to 1,010,455.90, 1,515,511.56 and 336,460.72

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Solution

The fourth proportional to 1,010,455.90, 1,515,511.56 and 336,460.72 is: 504,633.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,455.90 : 1,515,511.56 = 336,460.72 : x
  2. Step 2: Convert to fraction form
    1,010,455.90/1,515,511.56 = 336,460.72/x
  3. Step 3: Cross multiply
    1,010,455.90x = 1,515,511.56 × 336,460.72
  4. Step 4: Simplify right side
    1,010,455.90x = 509,910,110,645.92
  5. Step 5: Solve for x
    x = 509,910,110,645.92/1,010,455.90
  6. Step 6: Final answer
    x = 504,633.71

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Double scale
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1.5x scale

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.