Home / 1,312,353.33-1,811,047.19-708,741.33

Finding the Fourth Proportional to 1,312,353.33, 1,811,047.19 and 708,741.33

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Solution

The fourth proportional to 1,312,353.33, 1,811,047.19 and 708,741.33 is: 978,062.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,353.33 : 1,811,047.19 = 708,741.33 : x
  2. Step 2: Convert to fraction form
    1,312,353.33/1,811,047.19 = 708,741.33/x
  3. Step 3: Cross multiply
    1,312,353.33x = 1,811,047.19 × 708,741.33
  4. Step 4: Simplify right side
    1,312,353.33x = 1,283,563,990,589.66
  5. Step 5: Solve for x
    x = 1,283,563,990,589.66/1,312,353.33
  6. Step 6: Final answer
    x = 978,062.81

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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.