Home / 1,111,010.01-1,667,121.71-471,214.23

Finding the Fourth Proportional to 1,111,010.01, 1,667,121.71 and 471,214.23

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Solution

The fourth proportional to 1,111,010.01, 1,667,121.71 and 471,214.23 is: 707,078.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,010.01 : 1,667,121.71 = 471,214.23 : x
  2. Step 2: Convert to fraction form
    1,111,010.01/1,667,121.71 = 471,214.23/x
  3. Step 3: Cross multiply
    1,111,010.01x = 1,667,121.71 × 471,214.23
  4. Step 4: Simplify right side
    1,111,010.01x = 785,571,470,537.86
  5. Step 5: Solve for x
    x = 785,571,470,537.86/1,111,010.01
  6. Step 6: Final answer
    x = 707,078.66

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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.