Home / 1,055,903.07-1,458,349.00-715,780.83

Finding the Fourth Proportional to 1,055,903.07, 1,458,349.00 and 715,780.83

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Solution

The fourth proportional to 1,055,903.07, 1,458,349.00 and 715,780.83 is: 988,592.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,903.07 : 1,458,349.00 = 715,780.83 : x
  2. Step 2: Convert to fraction form
    1,055,903.07/1,458,349.00 = 715,780.83/x
  3. Step 3: Cross multiply
    1,055,903.07x = 1,458,349.00 × 715,780.83
  4. Step 4: Simplify right side
    1,055,903.07x = 1,043,858,255,860.22
  5. Step 5: Solve for x
    x = 1,043,858,255,860.22/1,055,903.07
  6. Step 6: Final answer
    x = 988,592.88

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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.