Home / 1,512,619.80-2,268,929.70-1,064,722.20

Finding the Fourth Proportional to 1,512,619.80, 2,268,929.70 and 1,064,722.20

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Solution

The fourth proportional to 1,512,619.80, 2,268,929.70 and 1,064,722.20 is: 1,597,083.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,619.80 : 2,268,929.70 = 1,064,722.20 : x
  2. Step 2: Convert to fraction form
    1,512,619.80/2,268,929.70 = 1,064,722.20/x
  3. Step 3: Cross multiply
    1,512,619.80x = 2,268,929.70 × 1,064,722.20
  4. Step 4: Simplify right side
    1,512,619.80x = 2,415,779,821,829.34
  5. Step 5: Solve for x
    x = 2,415,779,821,829.34/1,512,619.80
  6. Step 6: Final answer
    x = 1,597,083.30

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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.