Home / 1,361,080.47-1,877,241.91-845,139.84

Finding the Fourth Proportional to 1,361,080.47, 1,877,241.91 and 845,139.84

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Solution

The fourth proportional to 1,361,080.47, 1,877,241.91 and 845,139.84 is: 1,165,641.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,080.47 : 1,877,241.91 = 845,139.84 : x
  2. Step 2: Convert to fraction form
    1,361,080.47/1,877,241.91 = 845,139.84/x
  3. Step 3: Cross multiply
    1,361,080.47x = 1,877,241.91 × 845,139.84
  4. Step 4: Simplify right side
    1,361,080.47x = 1,586,531,927,458.69
  5. Step 5: Solve for x
    x = 1,586,531,927,458.69/1,361,080.47
  6. Step 6: Final answer
    x = 1,165,641.53

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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.