Home / 1,330,650.34-1,835,718.09-814,427.21

Finding the Fourth Proportional to 1,330,650.34, 1,835,718.09 and 814,427.21

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Solution

The fourth proportional to 1,330,650.34, 1,835,718.09 and 814,427.21 is: 1,123,554.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,650.34 : 1,835,718.09 = 814,427.21 : x
  2. Step 2: Convert to fraction form
    1,330,650.34/1,835,718.09 = 814,427.21/x
  3. Step 3: Cross multiply
    1,330,650.34x = 1,835,718.09 × 814,427.21
  4. Step 4: Simplify right side
    1,330,650.34x = 1,495,058,763,920.42
  5. Step 5: Solve for x
    x = 1,495,058,763,920.42/1,330,650.34
  6. Step 6: Final answer
    x = 1,123,554.94

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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.