Home / 397,304.19-548,275.59-295,783.65

Finding the Fourth Proportional to 397,304.19, 548,275.59 and 295,783.65

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Solution

The fourth proportional to 397,304.19, 548,275.59 and 295,783.65 is: 408,178.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,304.19 : 548,275.59 = 295,783.65 : x
  2. Step 2: Convert to fraction form
    397,304.19/548,275.59 = 295,783.65/x
  3. Step 3: Cross multiply
    397,304.19x = 548,275.59 × 295,783.65
  4. Step 4: Simplify right side
    397,304.19x = 162,170,955,216.10
  5. Step 5: Solve for x
    x = 162,170,955,216.10/397,304.19
  6. Step 6: Final answer
    x = 408,178.32

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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.