Home / 1,296,246.32-1,788,810.25-715,469.33

Finding the Fourth Proportional to 1,296,246.32, 1,788,810.25 and 715,469.33

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Solution

The fourth proportional to 1,296,246.32, 1,788,810.25 and 715,469.33 is: 987,342.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,246.32 : 1,788,810.25 = 715,469.33 : x
  2. Step 2: Convert to fraction form
    1,296,246.32/1,788,810.25 = 715,469.33/x
  3. Step 3: Cross multiply
    1,296,246.32x = 1,788,810.25 × 715,469.33
  4. Step 4: Simplify right side
    1,296,246.32x = 1,279,838,872,070.72
  5. Step 5: Solve for x
    x = 1,279,838,872,070.72/1,296,246.32
  6. Step 6: Final answer
    x = 987,342.34

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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.