Home / 1,330,033.56-1,995,330.89-431,405.52

Finding the Fourth Proportional to 1,330,033.56, 1,995,330.89 and 431,405.52

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Solution

The fourth proportional to 1,330,033.56, 1,995,330.89 and 431,405.52 is: 647,199.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,033.56 : 1,995,330.89 = 431,405.52 : x
  2. Step 2: Convert to fraction form
    1,330,033.56/1,995,330.89 = 431,405.52/x
  3. Step 3: Cross multiply
    1,330,033.56x = 1,995,330.89 × 431,405.52
  4. Step 4: Simplify right side
    1,330,033.56x = 860,796,760,172.51
  5. Step 5: Solve for x
    x = 860,796,760,172.51/1,330,033.56
  6. Step 6: Final answer
    x = 647,199.28

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1.5x scale

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.