Home / 1,053,563.22-1,453,921.08-570,128.31

Finding the Fourth Proportional to 1,053,563.22, 1,453,921.08 and 570,128.31

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Solution

The fourth proportional to 1,053,563.22, 1,453,921.08 and 570,128.31 is: 786,779.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,563.22 : 1,453,921.08 = 570,128.31 : x
  2. Step 2: Convert to fraction form
    1,053,563.22/1,453,921.08 = 570,128.31/x
  3. Step 3: Cross multiply
    1,053,563.22x = 1,453,921.08 × 570,128.31
  4. Step 4: Simplify right side
    1,053,563.22x = 828,921,568,213.78
  5. Step 5: Solve for x
    x = 828,921,568,213.78/1,053,563.22
  6. Step 6: Final answer
    x = 786,779.14

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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.