Home / 1,205,388.52-1,663,326.14-715,273.56

Finding the Fourth Proportional to 1,205,388.52, 1,663,326.14 and 715,273.56

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Solution

The fourth proportional to 1,205,388.52, 1,663,326.14 and 715,273.56 is: 987,012.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,388.52 : 1,663,326.14 = 715,273.56 : x
  2. Step 2: Convert to fraction form
    1,205,388.52/1,663,326.14 = 715,273.56/x
  3. Step 3: Cross multiply
    1,205,388.52x = 1,663,326.14 × 715,273.56
  4. Step 4: Simplify right side
    1,205,388.52x = 1,189,733,209,598.86
  5. Step 5: Solve for x
    x = 1,189,733,209,598.86/1,205,388.52
  6. Step 6: Final answer
    x = 987,012.23

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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.