Home / 451,962.68-623,706.78-248,016.98

Finding the Fourth Proportional to 451,962.68, 623,706.78 and 248,016.98

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Solution

The fourth proportional to 451,962.68, 623,706.78 and 248,016.98 is: 342,262.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,962.68 : 623,706.78 = 248,016.98 : x
  2. Step 2: Convert to fraction form
    451,962.68/623,706.78 = 248,016.98/x
  3. Step 3: Cross multiply
    451,962.68x = 623,706.78 × 248,016.98
  4. Step 4: Simplify right side
    451,962.68x = 154,689,871,981.12
  5. Step 5: Solve for x
    x = 154,689,871,981.12/451,962.68
  6. Step 6: Final answer
    x = 342,262.49

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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.