Home / 805,048.11-1,110,966.75-442,468.98

Finding the Fourth Proportional to 805,048.11, 1,110,966.75 and 442,468.98

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Solution

The fourth proportional to 805,048.11, 1,110,966.75 and 442,468.98 is: 610,607.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,048.11 : 1,110,966.75 = 442,468.98 : x
  2. Step 2: Convert to fraction form
    805,048.11/1,110,966.75 = 442,468.98/x
  3. Step 3: Cross multiply
    805,048.11x = 1,110,966.75 × 442,468.98
  4. Step 4: Simplify right side
    805,048.11x = 491,568,324,686.42
  5. Step 5: Solve for x
    x = 491,568,324,686.42/805,048.11
  6. Step 6: Final answer
    x = 610,607.39

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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.