Home / 645,705.93-968,410.97-190,179.35

Finding the Fourth Proportional to 645,705.93, 968,410.97 and 190,179.35

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Solution

The fourth proportional to 645,705.93, 968,410.97 and 190,179.35 is: 285,225.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,705.93 : 968,410.97 = 190,179.35 : x
  2. Step 2: Convert to fraction form
    645,705.93/968,410.97 = 190,179.35/x
  3. Step 3: Cross multiply
    645,705.93x = 968,410.97 × 190,179.35
  4. Step 4: Simplify right side
    645,705.93x = 184,171,768,807.47
  5. Step 5: Solve for x
    x = 184,171,768,807.47/645,705.93
  6. Step 6: Final answer
    x = 285,225.46

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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.