Home / 1,612,945.40-2,225,847.12-887,777.60

Finding the Fourth Proportional to 1,612,945.40, 2,225,847.12 and 887,777.60

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Solution

The fourth proportional to 1,612,945.40, 2,225,847.12 and 887,777.60 is: 1,225,123.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,612,945.40 : 2,225,847.12 = 887,777.60 : x
  2. Step 2: Convert to fraction form
    1,612,945.40/2,225,847.12 = 887,777.60/x
  3. Step 3: Cross multiply
    1,612,945.40x = 2,225,847.12 × 887,777.60
  4. Step 4: Simplify right side
    1,612,945.40x = 1,976,057,214,160.51
  5. Step 5: Solve for x
    x = 1,976,057,214,160.51/1,612,945.40
  6. Step 6: Final answer
    x = 1,225,123.44

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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.