Home / 1,143,742.88-1,715,626.63-345,031.35

Finding the Fourth Proportional to 1,143,742.88, 1,715,626.63 and 345,031.35

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Solution

The fourth proportional to 1,143,742.88, 1,715,626.63 and 345,031.35 is: 517,550.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,742.88 : 1,715,626.63 = 345,031.35 : x
  2. Step 2: Convert to fraction form
    1,143,742.88/1,715,626.63 = 345,031.35/x
  3. Step 3: Cross multiply
    1,143,742.88x = 1,715,626.63 × 345,031.35
  4. Step 4: Simplify right side
    1,143,742.88x = 591,944,964,301.74
  5. Step 5: Solve for x
    x = 591,944,964,301.74/1,143,742.88
  6. Step 6: Final answer
    x = 517,550.73

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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.