Home / 805,647.16-1,111,770.90-443,071.04

Finding the Fourth Proportional to 805,647.16, 1,111,770.90 and 443,071.04

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Solution

The fourth proportional to 805,647.16, 1,111,770.90 and 443,071.04 is: 611,425.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,647.16 : 1,111,770.90 = 443,071.04 : x
  2. Step 2: Convert to fraction form
    805,647.16/1,111,770.90 = 443,071.04/x
  3. Step 3: Cross multiply
    805,647.16x = 1,111,770.90 × 443,071.04
  4. Step 4: Simplify right side
    805,647.16x = 492,593,488,904.74
  5. Step 5: Solve for x
    x = 492,593,488,904.74/805,647.16
  6. Step 6: Final answer
    x = 611,425.84

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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.