Home / 645,783.36-968,822.46-196,567.89

Finding the Fourth Proportional to 645,783.36, 968,822.46 and 196,567.89

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Solution

The fourth proportional to 645,783.36, 968,822.46 and 196,567.89 is: 294,896.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,783.36 : 968,822.46 = 196,567.89 : x
  2. Step 2: Convert to fraction form
    645,783.36/968,822.46 = 196,567.89/x
  3. Step 3: Cross multiply
    645,783.36x = 968,822.46 × 196,567.89
  4. Step 4: Simplify right side
    645,783.36x = 190,439,386,746.81
  5. Step 5: Solve for x
    x = 190,439,386,746.81/645,783.36
  6. Step 6: Final answer
    x = 294,896.71

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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.