Home / 716,989.85-1,075,520.51-204,730.97

Finding the Fourth Proportional to 716,989.85, 1,075,520.51 and 204,730.97

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Solution

The fourth proportional to 716,989.85, 1,075,520.51 and 204,730.97 is: 307,106.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,989.85 : 1,075,520.51 = 204,730.97 : x
  2. Step 2: Convert to fraction form
    716,989.85/1,075,520.51 = 204,730.97/x
  3. Step 3: Cross multiply
    716,989.85x = 1,075,520.51 × 204,730.97
  4. Step 4: Simplify right side
    716,989.85x = 220,192,360,467.82
  5. Step 5: Solve for x
    x = 220,192,360,467.82/716,989.85
  6. Step 6: Final answer
    x = 307,106.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.