Home / 1,215,987.93-1,678,166.91-706,657.50

Finding the Fourth Proportional to 1,215,987.93, 1,678,166.91 and 706,657.50

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Solution

The fourth proportional to 1,215,987.93, 1,678,166.91 and 706,657.50 is: 975,247.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,987.93 : 1,678,166.91 = 706,657.50 : x
  2. Step 2: Convert to fraction form
    1,215,987.93/1,678,166.91 = 706,657.50/x
  3. Step 3: Cross multiply
    1,215,987.93x = 1,678,166.91 × 706,657.50
  4. Step 4: Simplify right side
    1,215,987.93x = 1,185,889,233,203.33
  5. Step 5: Solve for x
    x = 1,185,889,233,203.33/1,215,987.93
  6. Step 6: Final answer
    x = 975,247.54

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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.