Home / 451,426.23-676,942.47-170,746.65

Finding the Fourth Proportional to 451,426.23, 676,942.47 and 170,746.65

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Solution

The fourth proportional to 451,426.23, 676,942.47 and 170,746.65 is: 256,045.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,426.23 : 676,942.47 = 170,746.65 : x
  2. Step 2: Convert to fraction form
    451,426.23/676,942.47 = 170,746.65/x
  3. Step 3: Cross multiply
    451,426.23x = 676,942.47 × 170,746.65
  4. Step 4: Simplify right side
    451,426.23x = 115,585,658,995.23
  5. Step 5: Solve for x
    x = 115,585,658,995.23/451,426.23
  6. Step 6: Final answer
    x = 256,045.51

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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.