Home / 372,976.45-559,952.51-221,450.16

Finding the Fourth Proportional to 372,976.45, 559,952.51 and 221,450.16

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Solution

The fourth proportional to 372,976.45, 559,952.51 and 221,450.16 is: 332,464.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,976.45 : 559,952.51 = 221,450.16 : x
  2. Step 2: Convert to fraction form
    372,976.45/559,952.51 = 221,450.16/x
  3. Step 3: Cross multiply
    372,976.45x = 559,952.51 × 221,450.16
  4. Step 4: Simplify right side
    372,976.45x = 124,001,572,931.90
  5. Step 5: Solve for x
    x = 124,001,572,931.90/372,976.45
  6. Step 6: Final answer
    x = 332,464.89

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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.