Home / 369,736.07-554,604.10-120,418.07

Finding the Fourth Proportional to 369,736.07, 554,604.10 and 120,418.07

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Solution

The fourth proportional to 369,736.07, 554,604.10 and 120,418.07 is: 180,627.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,736.07 : 554,604.10 = 120,418.07 : x
  2. Step 2: Convert to fraction form
    369,736.07/554,604.10 = 120,418.07/x
  3. Step 3: Cross multiply
    369,736.07x = 554,604.10 × 120,418.07
  4. Step 4: Simplify right side
    369,736.07x = 66,784,352,262.02
  5. Step 5: Solve for x
    x = 66,784,352,262.02/369,736.07
  6. Step 6: Final answer
    x = 180,627.10

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1.5x scale

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.