Home / 1,208,881.53-1,668,312.59-699,485.13

Finding the Fourth Proportional to 1,208,881.53, 1,668,312.59 and 699,485.13

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Solution

The fourth proportional to 1,208,881.53, 1,668,312.59 and 699,485.13 is: 965,321.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,881.53 : 1,668,312.59 = 699,485.13 : x
  2. Step 2: Convert to fraction form
    1,208,881.53/1,668,312.59 = 699,485.13/x
  3. Step 3: Cross multiply
    1,208,881.53x = 1,668,312.59 × 699,485.13
  4. Step 4: Simplify right side
    1,208,881.53x = 1,166,959,845,399.36
  5. Step 5: Solve for x
    x = 1,166,959,845,399.36/1,208,881.53
  6. Step 6: Final answer
    x = 965,321.92

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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.