Home / 1,064,583.57-1,465,396.37-928,377.21

Finding the Fourth Proportional to 1,064,583.57, 1,465,396.37 and 928,377.21

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Solution

The fourth proportional to 1,064,583.57, 1,465,396.37 and 928,377.21 is: 1,277,908.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064,583.57 : 1,465,396.37 = 928,377.21 : x
  2. Step 2: Convert to fraction form
    1,064,583.57/1,465,396.37 = 928,377.21/x
  3. Step 3: Cross multiply
    1,064,583.57x = 1,465,396.37 × 928,377.21
  4. Step 4: Simplify right side
    1,064,583.57x = 1,360,440,586,197.75
  5. Step 5: Solve for x
    x = 1,360,440,586,197.75/1,064,583.57
  6. Step 6: Final answer
    x = 1,277,908.69

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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.