Home / 451,962.77-623,687.49-248,008.55

Finding the Fourth Proportional to 451,962.77, 623,687.49 and 248,008.55

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Solution

The fourth proportional to 451,962.77, 623,687.49 and 248,008.55 is: 342,240.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,962.77 : 623,687.49 = 248,008.55 : x
  2. Step 2: Convert to fraction form
    451,962.77/623,687.49 = 248,008.55/x
  3. Step 3: Cross multiply
    451,962.77x = 623,687.49 × 248,008.55
  4. Step 4: Simplify right side
    451,962.77x = 154,679,826,929.60
  5. Step 5: Solve for x
    x = 154,679,826,929.60/451,962.77
  6. Step 6: Final answer
    x = 342,240.20

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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.