Home / 369,040.80-553,561.20-336,381.60

Finding the Fourth Proportional to 369,040.80, 553,561.20 and 336,381.60

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Solution

The fourth proportional to 369,040.80, 553,561.20 and 336,381.60 is: 504,572.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,040.80 : 553,561.20 = 336,381.60 : x
  2. Step 2: Convert to fraction form
    369,040.80/553,561.20 = 336,381.60/x
  3. Step 3: Cross multiply
    369,040.80x = 553,561.20 × 336,381.60
  4. Step 4: Simplify right side
    369,040.80x = 186,207,802,153.92
  5. Step 5: Solve for x
    x = 186,207,802,153.92/369,040.80
  6. Step 6: Final answer
    x = 504,572.40

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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.