Home / 1,211,594.39-1,671,706.60-688,188.49

Finding the Fourth Proportional to 1,211,594.39, 1,671,706.60 and 688,188.49

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Solution

The fourth proportional to 1,211,594.39, 1,671,706.60 and 688,188.49 is: 949,533.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,594.39 : 1,671,706.60 = 688,188.49 : x
  2. Step 2: Convert to fraction form
    1,211,594.39/1,671,706.60 = 688,188.49/x
  3. Step 3: Cross multiply
    1,211,594.39x = 1,671,706.60 × 688,188.49
  4. Step 4: Simplify right side
    1,211,594.39x = 1,150,449,238,748.36
  5. Step 5: Solve for x
    x = 1,150,449,238,748.36/1,211,594.39
  6. Step 6: Final answer
    x = 949,533.32

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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.