Home / 1,453,919.76-2,180,706.48-389,044.08

Finding the Fourth Proportional to 1,453,919.76, 2,180,706.48 and 389,044.08

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Solution

The fourth proportional to 1,453,919.76, 2,180,706.48 and 389,044.08 is: 583,519.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,453,919.76 : 2,180,706.48 = 389,044.08 : x
  2. Step 2: Convert to fraction form
    1,453,919.76/2,180,706.48 = 389,044.08/x
  3. Step 3: Cross multiply
    1,453,919.76x = 2,180,706.48 × 389,044.08
  4. Step 4: Simplify right side
    1,453,919.76x = 848,390,946,261.64
  5. Step 5: Solve for x
    x = 848,390,946,261.64/1,453,919.76
  6. Step 6: Final answer
    x = 583,519.79

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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.