Home / 877,726.56-1,210,919.64-510,142.56

Finding the Fourth Proportional to 877,726.56, 1,210,919.64 and 510,142.56

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Solution

The fourth proportional to 877,726.56, 1,210,919.64 and 510,142.56 is: 703,797.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,726.56 : 1,210,919.64 = 510,142.56 : x
  2. Step 2: Convert to fraction form
    877,726.56/1,210,919.64 = 510,142.56/x
  3. Step 3: Cross multiply
    877,726.56x = 1,210,919.64 × 510,142.56
  4. Step 4: Simplify right side
    877,726.56x = 617,741,645,103.88
  5. Step 5: Solve for x
    x = 617,741,645,103.88/877,726.56
  6. Step 6: Final answer
    x = 703,797.37

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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.