Home / 645,784.86-968,824.71-196,569.39

Finding the Fourth Proportional to 645,784.86, 968,824.71 and 196,569.39

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Solution

The fourth proportional to 645,784.86, 968,824.71 and 196,569.39 is: 294,898.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,784.86 : 968,824.71 = 196,569.39 : x
  2. Step 2: Convert to fraction form
    645,784.86/968,824.71 = 196,569.39/x
  3. Step 3: Cross multiply
    645,784.86x = 968,824.71 × 196,569.39
  4. Step 4: Simplify right side
    645,784.86x = 190,441,282,261.63
  5. Step 5: Solve for x
    x = 190,441,282,261.63/645,784.86
  6. Step 6: Final answer
    x = 294,898.96

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1.5x scale

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.