Home / 1,439,480.88-2,157,776.28-492,203.76

Finding the Fourth Proportional to 1,439,480.88, 2,157,776.28 and 492,203.76

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Solution

The fourth proportional to 1,439,480.88, 2,157,776.28 and 492,203.76 is: 737,811.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,480.88 : 2,157,776.28 = 492,203.76 : x
  2. Step 2: Convert to fraction form
    1,439,480.88/2,157,776.28 = 492,203.76/x
  3. Step 3: Cross multiply
    1,439,480.88x = 2,157,776.28 × 492,203.76
  4. Step 4: Simplify right side
    1,439,480.88x = 1,062,065,598,254.81
  5. Step 5: Solve for x
    x = 1,062,065,598,254.81/1,439,480.88
  6. Step 6: Final answer
    x = 737,811.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.