Home / 1,212,130-1,672,738.87-695,917.19

Finding the Fourth Proportional to 1,212,130, 1,672,738.87 and 695,917.19

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Solution

The fourth proportional to 1,212,130, 1,672,738.87 and 695,917.19 is: 960,365.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,130 : 1,672,738.87 = 695,917.19 : x
  2. Step 2: Convert to fraction form
    1,212,130/1,672,738.87 = 695,917.19/x
  3. Step 3: Cross multiply
    1,212,130x = 1,672,738.87 × 695,917.19
  4. Step 4: Simplify right side
    1,212,130x = 1,164,087,722,170.90
  5. Step 5: Solve for x
    x = 1,164,087,722,170.90/1,212,130
  6. Step 6: Final answer
    x = 960,365.41

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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.