Home / 492,451.02-679,541.58-277,643.88

Finding the Fourth Proportional to 492,451.02, 679,541.58 and 277,643.88

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Solution

The fourth proportional to 492,451.02, 679,541.58 and 277,643.88 is: 383,125.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,451.02 : 679,541.58 = 277,643.88 : x
  2. Step 2: Convert to fraction form
    492,451.02/679,541.58 = 277,643.88/x
  3. Step 3: Cross multiply
    492,451.02x = 679,541.58 × 277,643.88
  4. Step 4: Simplify right side
    492,451.02x = 188,670,560,892.53
  5. Step 5: Solve for x
    x = 188,670,560,892.53/492,451.02
  6. Step 6: Final answer
    x = 383,125.54

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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.