Home / 891,274.77-1,230,116.41-528,898.44

Finding the Fourth Proportional to 891,274.77, 1,230,116.41 and 528,898.44

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Solution

The fourth proportional to 891,274.77, 1,230,116.41 and 528,898.44 is: 729,973.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,274.77 : 1,230,116.41 = 528,898.44 : x
  2. Step 2: Convert to fraction form
    891,274.77/1,230,116.41 = 528,898.44/x
  3. Step 3: Cross multiply
    891,274.77x = 1,230,116.41 × 528,898.44
  4. Step 4: Simplify right side
    891,274.77x = 650,606,653,558.09
  5. Step 5: Solve for x
    x = 650,606,653,558.09/891,274.77
  6. Step 6: Final answer
    x = 729,973.15

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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.