Home / 1,636,952.60-2,259,064.28-911,800.64

Finding the Fourth Proportional to 1,636,952.60, 2,259,064.28 and 911,800.64

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Solution

The fourth proportional to 1,636,952.60, 2,259,064.28 and 911,800.64 is: 1,258,323.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,636,952.60 : 2,259,064.28 = 911,800.64 : x
  2. Step 2: Convert to fraction form
    1,636,952.60/2,259,064.28 = 911,800.64/x
  3. Step 3: Cross multiply
    1,636,952.60x = 2,259,064.28 × 911,800.64
  4. Step 4: Simplify right side
    1,636,952.60x = 2,059,816,256,305.14
  5. Step 5: Solve for x
    x = 2,059,816,256,305.14/1,636,952.60
  6. Step 6: Final answer
    x = 1,258,323.70

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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.