Home / 386,053.20-579,598.20-246,430.80

Finding the Fourth Proportional to 386,053.20, 579,598.20 and 246,430.80

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Solution

The fourth proportional to 386,053.20, 579,598.20 and 246,430.80 is: 369,977.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,053.20 : 579,598.20 = 246,430.80 : x
  2. Step 2: Convert to fraction form
    386,053.20/579,598.20 = 246,430.80/x
  3. Step 3: Cross multiply
    386,053.20x = 579,598.20 × 246,430.80
  4. Step 4: Simplify right side
    386,053.20x = 142,830,848,104.56
  5. Step 5: Solve for x
    x = 142,830,848,104.56/386,053.20
  6. Step 6: Final answer
    x = 369,977.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.