Home / 823,574.88-1,136,552.58-460,989.72

Finding the Fourth Proportional to 823,574.88, 1,136,552.58 and 460,989.72

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Solution

The fourth proportional to 823,574.88, 1,136,552.58 and 460,989.72 is: 636,176.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,574.88 : 1,136,552.58 = 460,989.72 : x
  2. Step 2: Convert to fraction form
    823,574.88/1,136,552.58 = 460,989.72/x
  3. Step 3: Cross multiply
    823,574.88x = 1,136,552.58 × 460,989.72
  4. Step 4: Simplify right side
    823,574.88x = 523,939,055,619.48
  5. Step 5: Solve for x
    x = 523,939,055,619.48/823,574.88
  6. Step 6: Final answer
    x = 636,176.59

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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.