Home / 1,401,219.10-1,934,043.06-912,408.67

Finding the Fourth Proportional to 1,401,219.10, 1,934,043.06 and 912,408.67

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Solution

The fourth proportional to 1,401,219.10, 1,934,043.06 and 912,408.67 is: 1,259,358.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,401,219.10 : 1,934,043.06 = 912,408.67 : x
  2. Step 2: Convert to fraction form
    1,401,219.10/1,934,043.06 = 912,408.67/x
  3. Step 3: Cross multiply
    1,401,219.10x = 1,934,043.06 × 912,408.67
  4. Step 4: Simplify right side
    1,401,219.10x = 1,764,637,656,097.33
  5. Step 5: Solve for x
    x = 1,764,637,656,097.33/1,401,219.10
  6. Step 6: Final answer
    x = 1,259,358.84

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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.