Home / 1,247,853.33-1,722,038.75-674,893.50

Finding the Fourth Proportional to 1,247,853.33, 1,722,038.75 and 674,893.50

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Solution

The fourth proportional to 1,247,853.33, 1,722,038.75 and 674,893.50 is: 931,353.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,853.33 : 1,722,038.75 = 674,893.50 : x
  2. Step 2: Convert to fraction form
    1,247,853.33/1,722,038.75 = 674,893.50/x
  3. Step 3: Cross multiply
    1,247,853.33x = 1,722,038.75 × 674,893.50
  4. Step 4: Simplify right side
    1,247,853.33x = 1,162,192,755,748.66
  5. Step 5: Solve for x
    x = 1,162,192,755,748.66/1,247,853.33
  6. Step 6: Final answer
    x = 931,353.65

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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.