Home / 1,561,191-2,154,447.18-872,887.38

Finding the Fourth Proportional to 1,561,191, 2,154,447.18 and 872,887.38

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Solution

The fourth proportional to 1,561,191, 2,154,447.18 and 872,887.38 is: 1,204,586.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,561,191 : 2,154,447.18 = 872,887.38 : x
  2. Step 2: Convert to fraction form
    1,561,191/2,154,447.18 = 872,887.38/x
  3. Step 3: Cross multiply
    1,561,191x = 2,154,447.18 × 872,887.38
  4. Step 4: Simplify right side
    1,561,191x = 1,880,589,754,298.59
  5. Step 5: Solve for x
    x = 1,880,589,754,298.59/1,561,191
  6. Step 6: Final answer
    x = 1,204,586.60

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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.