Home / 1,210,600.26-1,670,561.76-666,633.27

Finding the Fourth Proportional to 1,210,600.26, 1,670,561.76 and 666,633.27

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Solution

The fourth proportional to 1,210,600.26, 1,670,561.76 and 666,633.27 is: 919,917.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,600.26 : 1,670,561.76 = 666,633.27 : x
  2. Step 2: Convert to fraction form
    1,210,600.26/1,670,561.76 = 666,633.27/x
  3. Step 3: Cross multiply
    1,210,600.26x = 1,670,561.76 × 666,633.27
  4. Step 4: Simplify right side
    1,210,600.26x = 1,113,652,048,805.76
  5. Step 5: Solve for x
    x = 1,113,652,048,805.76/1,210,600.26
  6. Step 6: Final answer
    x = 919,917.24

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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.