Home / 1,129,713.44-1,559,036.40-620,448.60

Finding the Fourth Proportional to 1,129,713.44, 1,559,036.40 and 620,448.60

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Solution

The fourth proportional to 1,129,713.44, 1,559,036.40 and 620,448.60 is: 856,236.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,713.44 : 1,559,036.40 = 620,448.60 : x
  2. Step 2: Convert to fraction form
    1,129,713.44/1,559,036.40 = 620,448.60/x
  3. Step 3: Cross multiply
    1,129,713.44x = 1,559,036.40 × 620,448.60
  4. Step 4: Simplify right side
    1,129,713.44x = 967,301,951,729.04
  5. Step 5: Solve for x
    x = 967,301,951,729.04/1,129,713.44
  6. Step 6: Final answer
    x = 856,236.56

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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.