Home / 805,581.66-1,111,679.18-443,005.14

Finding the Fourth Proportional to 805,581.66, 1,111,679.18 and 443,005.14

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Solution

The fourth proportional to 805,581.66, 1,111,679.18 and 443,005.14 is: 611,334.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,581.66 : 1,111,679.18 = 443,005.14 : x
  2. Step 2: Convert to fraction form
    805,581.66/1,111,679.18 = 443,005.14/x
  3. Step 3: Cross multiply
    805,581.66x = 1,111,679.18 × 443,005.14
  4. Step 4: Simplify right side
    805,581.66x = 492,479,590,770.99
  5. Step 5: Solve for x
    x = 492,479,590,770.99/805,581.66
  6. Step 6: Final answer
    x = 611,334.16

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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.