Home / 1,190,917.06-1,643,480.49-647,061.93

Finding the Fourth Proportional to 1,190,917.06, 1,643,480.49 and 647,061.93

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Solution

The fourth proportional to 1,190,917.06, 1,643,480.49 and 647,061.93 is: 892,953.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,917.06 : 1,643,480.49 = 647,061.93 : x
  2. Step 2: Convert to fraction form
    1,190,917.06/1,643,480.49 = 647,061.93/x
  3. Step 3: Cross multiply
    1,190,917.06x = 1,643,480.49 × 647,061.93
  4. Step 4: Simplify right side
    1,190,917.06x = 1,063,433,657,776.75
  5. Step 5: Solve for x
    x = 1,063,433,657,776.75/1,190,917.06
  6. Step 6: Final answer
    x = 892,953.58

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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.