Home / 451,950.12-623,690.64-248,002.20

Finding the Fourth Proportional to 451,950.12, 623,690.64 and 248,002.20

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Solution

The fourth proportional to 451,950.12, 623,690.64 and 248,002.20 is: 342,242.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,950.12 : 623,690.64 = 248,002.20 : x
  2. Step 2: Convert to fraction form
    451,950.12/623,690.64 = 248,002.20/x
  3. Step 3: Cross multiply
    451,950.12x = 623,690.64 × 248,002.20
  4. Step 4: Simplify right side
    451,950.12x = 154,676,650,839.41
  5. Step 5: Solve for x
    x = 154,676,650,839.41/451,950.12
  6. Step 6: Final answer
    x = 342,242.75

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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.