Home / 1,532,640.88-2,114,955.12-1,126,448.56

Finding the Fourth Proportional to 1,532,640.88, 2,114,955.12 and 1,126,448.56

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Solution

The fourth proportional to 1,532,640.88, 2,114,955.12 and 1,126,448.56 is: 1,554,433.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,532,640.88 : 2,114,955.12 = 1,126,448.56 : x
  2. Step 2: Convert to fraction form
    1,532,640.88/2,114,955.12 = 1,126,448.56/x
  3. Step 3: Cross multiply
    1,532,640.88x = 2,114,955.12 × 1,126,448.56
  4. Step 4: Simplify right side
    1,532,640.88x = 2,382,388,149,388.63
  5. Step 5: Solve for x
    x = 2,382,388,149,388.63/1,532,640.88
  6. Step 6: Final answer
    x = 1,554,433.38

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1.5x scale

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.