Home / 617,943.10-926,914.65-303,015.10

Finding the Fourth Proportional to 617,943.10, 926,914.65 and 303,015.10

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Solution

The fourth proportional to 617,943.10, 926,914.65 and 303,015.10 is: 454,522.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,943.10 : 926,914.65 = 303,015.10 : x
  2. Step 2: Convert to fraction form
    617,943.10/926,914.65 = 303,015.10/x
  3. Step 3: Cross multiply
    617,943.10x = 926,914.65 × 303,015.10
  4. Step 4: Simplify right side
    617,943.10x = 280,869,135,361.22
  5. Step 5: Solve for x
    x = 280,869,135,361.22/617,943.10
  6. Step 6: Final answer
    x = 454,522.65

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Half scale
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Double scale
Find fourth proportional to 617,944.10, 926,916.15 and 303,016.10
Similar ratio
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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.