Home / 1,059,812.40-1,589,718.60-943,690.80

Finding the Fourth Proportional to 1,059,812.40, 1,589,718.60 and 943,690.80

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Solution

The fourth proportional to 1,059,812.40, 1,589,718.60 and 943,690.80 is: 1,415,536.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059,812.40 : 1,589,718.60 = 943,690.80 : x
  2. Step 2: Convert to fraction form
    1,059,812.40/1,589,718.60 = 943,690.80/x
  3. Step 3: Cross multiply
    1,059,812.40x = 1,589,718.60 × 943,690.80
  4. Step 4: Simplify right side
    1,059,812.40x = 1,500,202,817,408.88
  5. Step 5: Solve for x
    x = 1,500,202,817,408.88/1,059,812.40
  6. Step 6: Final answer
    x = 1,415,536.20

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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.