Home / 828,233.40-1,242,350.10-355,841.40

Finding the Fourth Proportional to 828,233.40, 1,242,350.10 and 355,841.40

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Solution

The fourth proportional to 828,233.40, 1,242,350.10 and 355,841.40 is: 533,762.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,233.40 : 1,242,350.10 = 355,841.40 : x
  2. Step 2: Convert to fraction form
    828,233.40/1,242,350.10 = 355,841.40/x
  3. Step 3: Cross multiply
    828,233.40x = 1,242,350.10 × 355,841.40
  4. Step 4: Simplify right side
    828,233.40x = 442,079,598,874.14
  5. Step 5: Solve for x
    x = 442,079,598,874.14/828,233.40
  6. Step 6: Final answer
    x = 533,762.10

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Double scale
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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.