Home / 823,574.37-1,136,544.27-474,521.88

Finding the Fourth Proportional to 823,574.37, 1,136,544.27 and 474,521.88

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Solution

The fourth proportional to 823,574.37, 1,136,544.27 and 474,521.88 is: 654,846.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,574.37 : 1,136,544.27 = 474,521.88 : x
  2. Step 2: Convert to fraction form
    823,574.37/1,136,544.27 = 474,521.88/x
  3. Step 3: Cross multiply
    823,574.37x = 1,136,544.27 × 474,521.88
  4. Step 4: Simplify right side
    823,574.37x = 539,315,123,703.63
  5. Step 5: Solve for x
    x = 539,315,123,703.63/823,574.37
  6. Step 6: Final answer
    x = 654,846.90

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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.