Home / 805,232.24-1,111,224.12-442,679.42

Finding the Fourth Proportional to 805,232.24, 1,111,224.12 and 442,679.42

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Solution

The fourth proportional to 805,232.24, 1,111,224.12 and 442,679.42 is: 610,899.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,232.24 : 1,111,224.12 = 442,679.42 : x
  2. Step 2: Convert to fraction form
    805,232.24/1,111,224.12 = 442,679.42/x
  3. Step 3: Cross multiply
    805,232.24x = 1,111,224.12 × 442,679.42
  4. Step 4: Simplify right side
    805,232.24x = 491,916,048,931.61
  5. Step 5: Solve for x
    x = 491,916,048,931.61/805,232.24
  6. Step 6: Final answer
    x = 610,899.59

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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.