Home / 828,881.74-1,143,791.40-466,233.40

Finding the Fourth Proportional to 828,881.74, 1,143,791.40 and 466,233.40

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Solution

The fourth proportional to 828,881.74, 1,143,791.40 and 466,233.40 is: 643,365.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,881.74 : 1,143,791.40 = 466,233.40 : x
  2. Step 2: Convert to fraction form
    828,881.74/1,143,791.40 = 466,233.40/x
  3. Step 3: Cross multiply
    828,881.74x = 1,143,791.40 × 466,233.40
  4. Step 4: Simplify right side
    828,881.74x = 533,273,753,312.76
  5. Step 5: Solve for x
    x = 533,273,753,312.76/828,881.74
  6. Step 6: Final answer
    x = 643,365.30

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Half scale
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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.