Home / 837,361.07-1,155,818.46-665,583.84

Finding the Fourth Proportional to 837,361.07, 1,155,818.46 and 665,583.84

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Solution

The fourth proportional to 837,361.07, 1,155,818.46 and 665,583.84 is: 918,712.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,361.07 : 1,155,818.46 = 665,583.84 : x
  2. Step 2: Convert to fraction form
    837,361.07/1,155,818.46 = 665,583.84/x
  3. Step 3: Cross multiply
    837,361.07x = 1,155,818.46 × 665,583.84
  4. Step 4: Simplify right side
    837,361.07x = 769,294,088,194.89
  5. Step 5: Solve for x
    x = 769,294,088,194.89/837,361.07
  6. Step 6: Final answer
    x = 918,712.51

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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.