Home / 492,649.02-679,916.07-277,784.73

Finding the Fourth Proportional to 492,649.02, 679,916.07 and 277,784.73

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Solution

The fourth proportional to 492,649.02, 679,916.07 and 277,784.73 is: 383,377.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,649.02 : 679,916.07 = 277,784.73 : x
  2. Step 2: Convert to fraction form
    492,649.02/679,916.07 = 277,784.73/x
  3. Step 3: Cross multiply
    492,649.02x = 679,916.07 × 277,784.73
  4. Step 4: Simplify right side
    492,649.02x = 188,870,301,927.61
  5. Step 5: Solve for x
    x = 188,870,301,927.61/492,649.02
  6. Step 6: Final answer
    x = 383,377.00

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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.