Home / 1,636,951.60-2,259,062.90-911,799.64

Finding the Fourth Proportional to 1,636,951.60, 2,259,062.90 and 911,799.64

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Solution

The fourth proportional to 1,636,951.60, 2,259,062.90 and 911,799.64 is: 1,258,322.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,636,951.60 : 2,259,062.90 = 911,799.64 : x
  2. Step 2: Convert to fraction form
    1,636,951.60/2,259,062.90 = 911,799.64/x
  3. Step 3: Cross multiply
    1,636,951.60x = 2,259,062.90 × 911,799.64
  4. Step 4: Simplify right side
    1,636,951.60x = 2,059,812,735,589.20
  5. Step 5: Solve for x
    x = 2,059,812,735,589.20/1,636,951.60
  6. Step 6: Final answer
    x = 1,258,322.32

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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.