Home / 483,245.10-666,897-268,401.50

Finding the Fourth Proportional to 483,245.10, 666,897 and 268,401.50

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Solution

The fourth proportional to 483,245.10, 666,897 and 268,401.50 is: 370,404.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,245.10 : 666,897 = 268,401.50 : x
  2. Step 2: Convert to fraction form
    483,245.10/666,897 = 268,401.50/x
  3. Step 3: Cross multiply
    483,245.10x = 666,897 × 268,401.50
  4. Step 4: Simplify right side
    483,245.10x = 178,996,155,145.50
  5. Step 5: Solve for x
    x = 178,996,155,145.50/483,245.10
  6. Step 6: Final answer
    x = 370,404.49

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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.