Home / 805,658.91-1,111,837.23-443,110.20

Finding the Fourth Proportional to 805,658.91, 1,111,837.23 and 443,110.20

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Solution

The fourth proportional to 805,658.91, 1,111,837.23 and 443,110.20 is: 611,507.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,658.91 : 1,111,837.23 = 443,110.20 : x
  2. Step 2: Convert to fraction form
    805,658.91/1,111,837.23 = 443,110.20/x
  3. Step 3: Cross multiply
    805,658.91x = 1,111,837.23 × 443,110.20
  4. Step 4: Simplify right side
    805,658.91x = 492,666,417,352.75
  5. Step 5: Solve for x
    x = 492,666,417,352.75/805,658.91
  6. Step 6: Final answer
    x = 611,507.44

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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.