Home / 1,214,520.24-1,676,027.02-670,644.30

Finding the Fourth Proportional to 1,214,520.24, 1,676,027.02 and 670,644.30

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Solution

The fourth proportional to 1,214,520.24, 1,676,027.02 and 670,644.30 is: 925,483.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,520.24 : 1,676,027.02 = 670,644.30 : x
  2. Step 2: Convert to fraction form
    1,214,520.24/1,676,027.02 = 670,644.30/x
  3. Step 3: Cross multiply
    1,214,520.24x = 1,676,027.02 × 670,644.30
  4. Step 4: Simplify right side
    1,214,520.24x = 1,124,017,967,608.99
  5. Step 5: Solve for x
    x = 1,124,017,967,608.99/1,214,520.24
  6. Step 6: Final answer
    x = 925,483.11

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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.