Home / 369,748.80-554,623.20-355,233.60

Finding the Fourth Proportional to 369,748.80, 554,623.20 and 355,233.60

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Solution

The fourth proportional to 369,748.80, 554,623.20 and 355,233.60 is: 532,850.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,748.80 : 554,623.20 = 355,233.60 : x
  2. Step 2: Convert to fraction form
    369,748.80/554,623.20 = 355,233.60/x
  3. Step 3: Cross multiply
    369,748.80x = 554,623.20 × 355,233.60
  4. Step 4: Simplify right side
    369,748.80x = 197,020,795,979.52
  5. Step 5: Solve for x
    x = 197,020,795,979.52/369,748.80
  6. Step 6: Final answer
    x = 532,850.40

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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.