Home / 354,526.12-489,426.62-273,772.36

Finding the Fourth Proportional to 354,526.12, 489,426.62 and 273,772.36

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Solution

The fourth proportional to 354,526.12, 489,426.62 and 273,772.36 is: 377,945.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,526.12 : 489,426.62 = 273,772.36 : x
  2. Step 2: Convert to fraction form
    354,526.12/489,426.62 = 273,772.36/x
  3. Step 3: Cross multiply
    354,526.12x = 489,426.62 × 273,772.36
  4. Step 4: Simplify right side
    354,526.12x = 133,991,480,804.22
  5. Step 5: Solve for x
    x = 133,991,480,804.22/354,526.12
  6. Step 6: Final answer
    x = 377,945.30

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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.