Home / 1,620,123.24-2,236,043-941,453.40

Finding the Fourth Proportional to 1,620,123.24, 2,236,043 and 941,453.40

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Solution

The fourth proportional to 1,620,123.24, 2,236,043 and 941,453.40 is: 1,299,364.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,620,123.24 : 2,236,043 = 941,453.40 : x
  2. Step 2: Convert to fraction form
    1,620,123.24/2,236,043 = 941,453.40/x
  3. Step 3: Cross multiply
    1,620,123.24x = 2,236,043 × 941,453.40
  4. Step 4: Simplify right side
    1,620,123.24x = 2,105,130,284,896.20
  5. Step 5: Solve for x
    x = 2,105,130,284,896.20/1,620,123.24
  6. Step 6: Final answer
    x = 1,299,364.29

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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.