Home / 1,224,536.75-1,689,880.94-673,275.76

Finding the Fourth Proportional to 1,224,536.75, 1,689,880.94 and 673,275.76

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Solution

The fourth proportional to 1,224,536.75, 1,689,880.94 and 673,275.76 is: 929,131.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,536.75 : 1,689,880.94 = 673,275.76 : x
  2. Step 2: Convert to fraction form
    1,224,536.75/1,689,880.94 = 673,275.76/x
  3. Step 3: Cross multiply
    1,224,536.75x = 1,689,880.94 × 673,275.76
  4. Step 4: Simplify right side
    1,224,536.75x = 1,137,755,871,646.50
  5. Step 5: Solve for x
    x = 1,137,755,871,646.50/1,224,536.75
  6. Step 6: Final answer
    x = 929,131.67

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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.