Home / 1,231,984.63-1,700,103.63-688,104.46

Finding the Fourth Proportional to 1,231,984.63, 1,700,103.63 and 688,104.46

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Solution

The fourth proportional to 1,231,984.63, 1,700,103.63 and 688,104.46 is: 949,564.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,984.63 : 1,700,103.63 = 688,104.46 : x
  2. Step 2: Convert to fraction form
    1,231,984.63/1,700,103.63 = 688,104.46/x
  3. Step 3: Cross multiply
    1,231,984.63x = 1,700,103.63 × 688,104.46
  4. Step 4: Simplify right side
    1,231,984.63x = 1,169,848,890,265.19
  5. Step 5: Solve for x
    x = 1,169,848,890,265.19/1,231,984.63
  6. Step 6: Final answer
    x = 949,564.52

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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.