Home / 824,291.21-1,136,953.80-579,794.51

Finding the Fourth Proportional to 824,291.21, 1,136,953.80 and 579,794.51

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Solution

The fourth proportional to 824,291.21, 1,136,953.80 and 579,794.51 is: 799,716.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,291.21 : 1,136,953.80 = 579,794.51 : x
  2. Step 2: Convert to fraction form
    824,291.21/1,136,953.80 = 579,794.51/x
  3. Step 3: Cross multiply
    824,291.21x = 1,136,953.80 × 579,794.51
  4. Step 4: Simplify right side
    824,291.21x = 659,199,565,678.87
  5. Step 5: Solve for x
    x = 659,199,565,678.87/824,291.21
  6. Step 6: Final answer
    x = 799,716.85

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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.