Home / 926,975.51-1,279,355.80-669,684.88

Finding the Fourth Proportional to 926,975.51, 1,279,355.80 and 669,684.88

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Solution

The fourth proportional to 926,975.51, 1,279,355.80 and 669,684.88 is: 924,258.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,975.51 : 1,279,355.80 = 669,684.88 : x
  2. Step 2: Convert to fraction form
    926,975.51/1,279,355.80 = 669,684.88/x
  3. Step 3: Cross multiply
    926,975.51x = 1,279,355.80 × 669,684.88
  4. Step 4: Simplify right side
    926,975.51x = 856,765,236,580.95
  5. Step 5: Solve for x
    x = 856,765,236,580.95/926,975.51
  6. Step 6: Final answer
    x = 924,258.76

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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.