Home / 480,738.03-663,398.47-262,943.20

Finding the Fourth Proportional to 480,738.03, 663,398.47 and 262,943.20

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Solution

The fourth proportional to 480,738.03, 663,398.47 and 262,943.20 is: 362,850.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,738.03 : 663,398.47 = 262,943.20 : x
  2. Step 2: Convert to fraction form
    480,738.03/663,398.47 = 262,943.20/x
  3. Step 3: Cross multiply
    480,738.03x = 663,398.47 × 262,943.20
  4. Step 4: Simplify right side
    480,738.03x = 174,436,116,576.90
  5. Step 5: Solve for x
    x = 174,436,116,576.90/480,738.03
  6. Step 6: Final answer
    x = 362,850.67

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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.