Home / 1,390,168.44-2,085,416.82-443,207.16

Finding the Fourth Proportional to 1,390,168.44, 2,085,416.82 and 443,207.16

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Solution

The fourth proportional to 1,390,168.44, 2,085,416.82 and 443,207.16 is: 664,863.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,390,168.44 : 2,085,416.82 = 443,207.16 : x
  2. Step 2: Convert to fraction form
    1,390,168.44/2,085,416.82 = 443,207.16/x
  3. Step 3: Cross multiply
    1,390,168.44x = 2,085,416.82 × 443,207.16
  4. Step 4: Simplify right side
    1,390,168.44x = 924,271,666,208.43
  5. Step 5: Solve for x
    x = 924,271,666,208.43/1,390,168.44
  6. Step 6: Final answer
    x = 664,863.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.