Home / 1,681,566.15-2,320,610.28-917,668.92

Finding the Fourth Proportional to 1,681,566.15, 2,320,610.28 and 917,668.92

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Solution

The fourth proportional to 1,681,566.15, 2,320,610.28 and 917,668.92 is: 1,266,409.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,566.15 : 2,320,610.28 = 917,668.92 : x
  2. Step 2: Convert to fraction form
    1,681,566.15/2,320,610.28 = 917,668.92/x
  3. Step 3: Cross multiply
    1,681,566.15x = 2,320,610.28 × 917,668.92
  4. Step 4: Simplify right side
    1,681,566.15x = 2,129,551,929,388.50
  5. Step 5: Solve for x
    x = 2,129,551,929,388.50/1,681,566.15
  6. Step 6: Final answer
    x = 1,266,409.85

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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.