Home / 1,010,971.72-1,516,456.86-263,017.72

Finding the Fourth Proportional to 1,010,971.72, 1,516,456.86 and 263,017.72

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Solution

The fourth proportional to 1,010,971.72, 1,516,456.86 and 263,017.72 is: 394,526.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,971.72 : 1,516,456.86 = 263,017.72 : x
  2. Step 2: Convert to fraction form
    1,010,971.72/1,516,456.86 = 263,017.72/x
  3. Step 3: Cross multiply
    1,010,971.72x = 1,516,456.86 × 263,017.72
  4. Step 4: Simplify right side
    1,010,971.72x = 398,855,025,795.56
  5. Step 5: Solve for x
    x = 398,855,025,795.56/1,010,971.72
  6. Step 6: Final answer
    x = 394,526.39

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Double scale
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Similar ratio
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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.