Home / 645,916.16-968,548.62-196,550.84

Finding the Fourth Proportional to 645,916.16, 968,548.62 and 196,550.84

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Solution

The fourth proportional to 645,916.16, 968,548.62 and 196,550.84 is: 294,727.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,916.16 : 968,548.62 = 196,550.84 : x
  2. Step 2: Convert to fraction form
    645,916.16/968,548.62 = 196,550.84/x
  3. Step 3: Cross multiply
    645,916.16x = 968,548.62 × 196,550.84
  4. Step 4: Simplify right side
    645,916.16x = 190,369,044,841.84
  5. Step 5: Solve for x
    x = 190,369,044,841.84/645,916.16
  6. Step 6: Final answer
    x = 294,727.17

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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.