Home / 1,153,343.51-1,591,662.35-663,313.35

Finding the Fourth Proportional to 1,153,343.51, 1,591,662.35 and 663,313.35

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Solution

The fourth proportional to 1,153,343.51, 1,591,662.35 and 663,313.35 is: 915,400.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153,343.51 : 1,591,662.35 = 663,313.35 : x
  2. Step 2: Convert to fraction form
    1,153,343.51/1,591,662.35 = 663,313.35/x
  3. Step 3: Cross multiply
    1,153,343.51x = 1,591,662.35 × 663,313.35
  4. Step 4: Simplify right side
    1,153,343.51x = 1,055,770,887,105.66
  5. Step 5: Solve for x
    x = 1,055,770,887,105.66/1,153,343.51
  6. Step 6: Final answer
    x = 915,400.21

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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.