Home / 624,851.20-862,083.04-409,971.20

Finding the Fourth Proportional to 624,851.20, 862,083.04 and 409,971.20

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Solution

The fourth proportional to 624,851.20, 862,083.04 and 409,971.20 is: 565,621.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,851.20 : 862,083.04 = 409,971.20 : x
  2. Step 2: Convert to fraction form
    624,851.20/862,083.04 = 409,971.20/x
  3. Step 3: Cross multiply
    624,851.20x = 862,083.04 × 409,971.20
  4. Step 4: Simplify right side
    624,851.20x = 353,429,218,408.45
  5. Step 5: Solve for x
    x = 353,429,218,408.45/624,851.20
  6. Step 6: Final answer
    x = 565,621.41

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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.