Home / 828,445.96-1,241,880.90-528,083.20

Finding the Fourth Proportional to 828,445.96, 1,241,880.90 and 528,083.20

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Solution

The fourth proportional to 828,445.96, 1,241,880.90 and 528,083.20 is: 791,622.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,445.96 : 1,241,880.90 = 528,083.20 : x
  2. Step 2: Convert to fraction form
    828,445.96/1,241,880.90 = 528,083.20/x
  3. Step 3: Cross multiply
    828,445.96x = 1,241,880.90 × 528,083.20
  4. Step 4: Simplify right side
    828,445.96x = 655,816,439,690.88
  5. Step 5: Solve for x
    x = 655,816,439,690.88/828,445.96
  6. Step 6: Final answer
    x = 791,622.47

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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.