Home / 1,135,820.02-1,567,441.64-619,576.20

Finding the Fourth Proportional to 1,135,820.02, 1,567,441.64 and 619,576.20

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Solution

The fourth proportional to 1,135,820.02, 1,567,441.64 and 619,576.20 is: 855,020.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135,820.02 : 1,567,441.64 = 619,576.20 : x
  2. Step 2: Convert to fraction form
    1,135,820.02/1,567,441.64 = 619,576.20/x
  3. Step 3: Cross multiply
    1,135,820.02x = 1,567,441.64 × 619,576.20
  4. Step 4: Simplify right side
    1,135,820.02x = 971,149,535,032.97
  5. Step 5: Solve for x
    x = 971,149,535,032.97/1,135,820.02
  6. Step 6: Final answer
    x = 855,020.62

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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.