Home / 1,210,091.01-1,666,323.95-1,183,238.70

Finding the Fourth Proportional to 1,210,091.01, 1,666,323.95 and 1,183,238.70

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Solution

The fourth proportional to 1,210,091.01, 1,666,323.95 and 1,183,238.70 is: 1,629,347.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,091.01 : 1,666,323.95 = 1,183,238.70 : x
  2. Step 2: Convert to fraction form
    1,210,091.01/1,666,323.95 = 1,183,238.70/x
  3. Step 3: Cross multiply
    1,210,091.01x = 1,666,323.95 × 1,183,238.70
  4. Step 4: Simplify right side
    1,210,091.01x = 1,971,658,978,460.67
  5. Step 5: Solve for x
    x = 1,971,658,978,460.67/1,210,091.01
  6. Step 6: Final answer
    x = 1,629,347.68

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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.