Home / 1,641,138-2,264,884.56-916,127.25

Finding the Fourth Proportional to 1,641,138, 2,264,884.56 and 916,127.25

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Solution

The fourth proportional to 1,641,138, 2,264,884.56 and 916,127.25 is: 1,264,319.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,641,138 : 2,264,884.56 = 916,127.25 : x
  2. Step 2: Convert to fraction form
    1,641,138/2,264,884.56 = 916,127.25/x
  3. Step 3: Cross multiply
    1,641,138x = 2,264,884.56 × 916,127.25
  4. Step 4: Simplify right side
    1,641,138x = 2,074,922,463,520.26
  5. Step 5: Solve for x
    x = 2,074,922,463,520.26/1,641,138
  6. Step 6: Final answer
    x = 1,264,319.31

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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.