Home / 828,963.90-1,243,445.85-296,502.30

Finding the Fourth Proportional to 828,963.90, 1,243,445.85 and 296,502.30

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Solution

The fourth proportional to 828,963.90, 1,243,445.85 and 296,502.30 is: 444,753.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,963.90 : 1,243,445.85 = 296,502.30 : x
  2. Step 2: Convert to fraction form
    828,963.90/1,243,445.85 = 296,502.30/x
  3. Step 3: Cross multiply
    828,963.90x = 1,243,445.85 × 296,502.30
  4. Step 4: Simplify right side
    828,963.90x = 368,684,554,450.46
  5. Step 5: Solve for x
    x = 368,684,554,450.46/828,963.90
  6. Step 6: Final answer
    x = 444,753.45

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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.