Home / 449,946.86-621,083.03-259,036.34

Finding the Fourth Proportional to 449,946.86, 621,083.03 and 259,036.34

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Solution

The fourth proportional to 449,946.86, 621,083.03 and 259,036.34 is: 357,560.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,946.86 : 621,083.03 = 259,036.34 : x
  2. Step 2: Convert to fraction form
    449,946.86/621,083.03 = 259,036.34/x
  3. Step 3: Cross multiply
    449,946.86x = 621,083.03 × 259,036.34
  4. Step 4: Simplify right side
    449,946.86x = 160,883,074,927.31
  5. Step 5: Solve for x
    x = 160,883,074,927.31/449,946.86
  6. Step 6: Final answer
    x = 357,560.17

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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.