Home / 645,460.18-968,329.56-196,217.23

Finding the Fourth Proportional to 645,460.18, 968,329.56 and 196,217.23

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Solution

The fourth proportional to 645,460.18, 968,329.56 and 196,217.23 is: 294,368.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,460.18 : 968,329.56 = 196,217.23 : x
  2. Step 2: Convert to fraction form
    645,460.18/968,329.56 = 196,217.23/x
  3. Step 3: Cross multiply
    645,460.18x = 968,329.56 × 196,217.23
  4. Step 4: Simplify right side
    645,460.18x = 190,002,943,990.32
  5. Step 5: Solve for x
    x = 190,002,943,990.32/645,460.18
  6. Step 6: Final answer
    x = 294,368.19

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Double scale
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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.