Home / 1,325,836.35-1,828,872.68-938,215.71

Finding the Fourth Proportional to 1,325,836.35, 1,828,872.68 and 938,215.71

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Solution

The fourth proportional to 1,325,836.35, 1,828,872.68 and 938,215.71 is: 1,294,184.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,836.35 : 1,828,872.68 = 938,215.71 : x
  2. Step 2: Convert to fraction form
    1,325,836.35/1,828,872.68 = 938,215.71/x
  3. Step 3: Cross multiply
    1,325,836.35x = 1,828,872.68 × 938,215.71
  4. Step 4: Simplify right side
    1,325,836.35x = 1,715,877,075,274.72
  5. Step 5: Solve for x
    x = 1,715,877,075,274.72/1,325,836.35
  6. Step 6: Final answer
    x = 1,294,184.67

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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.