Home / 1,201,668.64-1,658,304.80-657,804.76

Finding the Fourth Proportional to 1,201,668.64, 1,658,304.80 and 657,804.76

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Solution

The fourth proportional to 1,201,668.64, 1,658,304.80 and 657,804.76 is: 907,771.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,668.64 : 1,658,304.80 = 657,804.76 : x
  2. Step 2: Convert to fraction form
    1,201,668.64/1,658,304.80 = 657,804.76/x
  3. Step 3: Cross multiply
    1,201,668.64x = 1,658,304.80 × 657,804.76
  4. Step 4: Simplify right side
    1,201,668.64x = 1,090,840,790,970.85
  5. Step 5: Solve for x
    x = 1,090,840,790,970.85/1,201,668.64
  6. Step 6: Final answer
    x = 907,771.71

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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.