Home / 439,424.02-606,409.92-258,143.59

Finding the Fourth Proportional to 439,424.02, 606,409.92 and 258,143.59

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Solution

The fourth proportional to 439,424.02, 606,409.92 and 258,143.59 is: 356,240.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,424.02 : 606,409.92 = 258,143.59 : x
  2. Step 2: Convert to fraction form
    439,424.02/606,409.92 = 258,143.59/x
  3. Step 3: Cross multiply
    439,424.02x = 606,409.92 × 258,143.59
  4. Step 4: Simplify right side
    439,424.02x = 156,540,830,728.36
  5. Step 5: Solve for x
    x = 156,540,830,728.36/439,424.02
  6. Step 6: Final answer
    x = 356,240.95

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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.