Home / 1,142,411.22-1,576,544.70-626,161.05

Finding the Fourth Proportional to 1,142,411.22, 1,576,544.70 and 626,161.05

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Solution

The fourth proportional to 1,142,411.22, 1,576,544.70 and 626,161.05 is: 864,111.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,411.22 : 1,576,544.70 = 626,161.05 : x
  2. Step 2: Convert to fraction form
    1,142,411.22/1,576,544.70 = 626,161.05/x
  3. Step 3: Cross multiply
    1,142,411.22x = 1,576,544.70 × 626,161.05
  4. Step 4: Simplify right side
    1,142,411.22x = 987,170,884,723.94
  5. Step 5: Solve for x
    x = 987,170,884,723.94/1,142,411.22
  6. Step 6: Final answer
    x = 864,111.69

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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.