Home / 1,172,633.69-1,618,261.88-656,374.74

Finding the Fourth Proportional to 1,172,633.69, 1,618,261.88 and 656,374.74

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Solution

The fourth proportional to 1,172,633.69, 1,618,261.88 and 656,374.74 is: 905,812.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,633.69 : 1,618,261.88 = 656,374.74 : x
  2. Step 2: Convert to fraction form
    1,172,633.69/1,618,261.88 = 656,374.74/x
  3. Step 3: Cross multiply
    1,172,633.69x = 1,618,261.88 × 656,374.74
  4. Step 4: Simplify right side
    1,172,633.69x = 1,062,186,217,455.04
  5. Step 5: Solve for x
    x = 1,062,186,217,455.04/1,172,633.69
  6. Step 6: Final answer
    x = 905,812.47

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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.