Home / 1,074,520.18-1,611,780.26-316,361.77

Finding the Fourth Proportional to 1,074,520.18, 1,611,780.26 and 316,361.77

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Solution

The fourth proportional to 1,074,520.18, 1,611,780.26 and 316,361.77 is: 474,542.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,520.18 : 1,611,780.26 = 316,361.77 : x
  2. Step 2: Convert to fraction form
    1,074,520.18/1,611,780.26 = 316,361.77/x
  3. Step 3: Cross multiply
    1,074,520.18x = 1,611,780.26 × 316,361.77
  4. Step 4: Simplify right side
    1,074,520.18x = 509,905,655,904.66
  5. Step 5: Solve for x
    x = 509,905,655,904.66/1,074,520.18
  6. Step 6: Final answer
    x = 474,542.65

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Double scale
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Similar ratio
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1.5x scale

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.