Home / 1,159,205.60-1,738,808.40-839,871.20

Finding the Fourth Proportional to 1,159,205.60, 1,738,808.40 and 839,871.20

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Solution

The fourth proportional to 1,159,205.60, 1,738,808.40 and 839,871.20 is: 1,259,806.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,205.60 : 1,738,808.40 = 839,871.20 : x
  2. Step 2: Convert to fraction form
    1,159,205.60/1,738,808.40 = 839,871.20/x
  3. Step 3: Cross multiply
    1,159,205.60x = 1,738,808.40 × 839,871.20
  4. Step 4: Simplify right side
    1,159,205.60x = 1,460,375,097,478.08
  5. Step 5: Solve for x
    x = 1,460,375,097,478.08/1,159,205.60
  6. Step 6: Final answer
    x = 1,259,806.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.