Home / 1,055,087.52-1,456,009.20-571,623.80

Finding the Fourth Proportional to 1,055,087.52, 1,456,009.20 and 571,623.80

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Solution

The fourth proportional to 1,055,087.52, 1,456,009.20 and 571,623.80 is: 788,834.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,087.52 : 1,456,009.20 = 571,623.80 : x
  2. Step 2: Convert to fraction form
    1,055,087.52/1,456,009.20 = 571,623.80/x
  3. Step 3: Cross multiply
    1,055,087.52x = 1,456,009.20 × 571,623.80
  4. Step 4: Simplify right side
    1,055,087.52x = 832,289,511,738.96
  5. Step 5: Solve for x
    x = 832,289,511,738.96/1,055,087.52
  6. Step 6: Final answer
    x = 788,834.57

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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.