Home / 1,608,765-2,220,232.60-911,169.90

Finding the Fourth Proportional to 1,608,765, 2,220,232.60 and 911,169.90

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Solution

The fourth proportional to 1,608,765, 2,220,232.60 and 911,169.90 is: 1,257,492.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,608,765 : 2,220,232.60 = 911,169.90 : x
  2. Step 2: Convert to fraction form
    1,608,765/2,220,232.60 = 911,169.90/x
  3. Step 3: Cross multiply
    1,608,765x = 2,220,232.60 × 911,169.90
  4. Step 4: Simplify right side
    1,608,765x = 2,023,009,116,118.74
  5. Step 5: Solve for x
    x = 2,023,009,116,118.74/1,608,765
  6. Step 6: Final answer
    x = 1,257,492.00

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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.