Home / 914,969.32-1,370,936.38-647,403.56

Finding the Fourth Proportional to 914,969.32, 1,370,936.38 and 647,403.56

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Solution

The fourth proportional to 914,969.32, 1,370,936.38 and 647,403.56 is: 970,031.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,969.32 : 1,370,936.38 = 647,403.56 : x
  2. Step 2: Convert to fraction form
    914,969.32/1,370,936.38 = 647,403.56/x
  3. Step 3: Cross multiply
    914,969.32x = 1,370,936.38 × 647,403.56
  4. Step 4: Simplify right side
    914,969.32x = 887,549,092,945.51
  5. Step 5: Solve for x
    x = 887,549,092,945.51/914,969.32
  6. Step 6: Final answer
    x = 970,031.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.