Home / 669,916.40-1,005,004.20-196,617.20

Finding the Fourth Proportional to 669,916.40, 1,005,004.20 and 196,617.20

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Solution

The fourth proportional to 669,916.40, 1,005,004.20 and 196,617.20 is: 294,963.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,916.40 : 1,005,004.20 = 196,617.20 : x
  2. Step 2: Convert to fraction form
    669,916.40/1,005,004.20 = 196,617.20/x
  3. Step 3: Cross multiply
    669,916.40x = 1,005,004.20 × 196,617.20
  4. Step 4: Simplify right side
    669,916.40x = 197,601,111,792.24
  5. Step 5: Solve for x
    x = 197,601,111,792.24/669,916.40
  6. Step 6: Final answer
    x = 294,963.84

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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.