Home / 883,916.80-1,325,875.20-322,878.40

Finding the Fourth Proportional to 883,916.80, 1,325,875.20 and 322,878.40

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Solution

The fourth proportional to 883,916.80, 1,325,875.20 and 322,878.40 is: 484,317.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,916.80 : 1,325,875.20 = 322,878.40 : x
  2. Step 2: Convert to fraction form
    883,916.80/1,325,875.20 = 322,878.40/x
  3. Step 3: Cross multiply
    883,916.80x = 1,325,875.20 × 322,878.40
  4. Step 4: Simplify right side
    883,916.80x = 428,096,463,175.68
  5. Step 5: Solve for x
    x = 428,096,463,175.68/883,916.80
  6. Step 6: Final answer
    x = 484,317.60

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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.