Home / 837,893.84-1,255,856.60-387,663.66

Finding the Fourth Proportional to 837,893.84, 1,255,856.60 and 387,663.66

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Solution

The fourth proportional to 837,893.84, 1,255,856.60 and 387,663.66 is: 581,040.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,893.84 : 1,255,856.60 = 387,663.66 : x
  2. Step 2: Convert to fraction form
    837,893.84/1,255,856.60 = 387,663.66/x
  3. Step 3: Cross multiply
    837,893.84x = 1,255,856.60 × 387,663.66
  4. Step 4: Simplify right side
    837,893.84x = 486,849,967,861.31
  5. Step 5: Solve for x
    x = 486,849,967,861.31/837,893.84
  6. Step 6: Final answer
    x = 581,040.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.