Home / 828,854.48-1,143,817.40-466,278.56

Finding the Fourth Proportional to 828,854.48, 1,143,817.40 and 466,278.56

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Solution

The fourth proportional to 828,854.48, 1,143,817.40 and 466,278.56 is: 643,463.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,854.48 : 1,143,817.40 = 466,278.56 : x
  2. Step 2: Convert to fraction form
    828,854.48/1,143,817.40 = 466,278.56/x
  3. Step 3: Cross multiply
    828,854.48x = 1,143,817.40 × 466,278.56
  4. Step 4: Simplify right side
    828,854.48x = 533,337,530,174.94
  5. Step 5: Solve for x
    x = 533,337,530,174.94/828,854.48
  6. Step 6: Final answer
    x = 643,463.41

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Double scale
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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.