Home / 1,200,735.07-1,657,027.47-656,859.19

Finding the Fourth Proportional to 1,200,735.07, 1,657,027.47 and 656,859.19

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Solution

The fourth proportional to 1,200,735.07, 1,657,027.47 and 656,859.19 is: 906,472.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,735.07 : 1,657,027.47 = 656,859.19 : x
  2. Step 2: Convert to fraction form
    1,200,735.07/1,657,027.47 = 656,859.19/x
  3. Step 3: Cross multiply
    1,200,735.07x = 1,657,027.47 × 656,859.19
  4. Step 4: Simplify right side
    1,200,735.07x = 1,088,433,721,751.95
  5. Step 5: Solve for x
    x = 1,088,433,721,751.95/1,200,735.07
  6. Step 6: Final answer
    x = 906,472.83

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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.