Home / 1,637,116.92-2,259,289.43-911,964.45

Finding the Fourth Proportional to 1,637,116.92, 2,259,289.43 and 911,964.45

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Solution

The fourth proportional to 1,637,116.92, 2,259,289.43 and 911,964.45 is: 1,258,548.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637,116.92 : 2,259,289.43 = 911,964.45 : x
  2. Step 2: Convert to fraction form
    1,637,116.92/2,259,289.43 = 911,964.45/x
  3. Step 3: Cross multiply
    1,637,116.92x = 2,259,289.43 × 911,964.45
  4. Step 4: Simplify right side
    1,637,116.92x = 2,060,391,637,860.94
  5. Step 5: Solve for x
    x = 2,060,391,637,860.94/1,637,116.92
  6. Step 6: Final answer
    x = 1,258,548.86

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1.5x scale

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.