Home / 1,213,377.20-1,820,152.20-371,927.60

Finding the Fourth Proportional to 1,213,377.20, 1,820,152.20 and 371,927.60

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Solution

The fourth proportional to 1,213,377.20, 1,820,152.20 and 371,927.60 is: 557,917.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,377.20 : 1,820,152.20 = 371,927.60 : x
  2. Step 2: Convert to fraction form
    1,213,377.20/1,820,152.20 = 371,927.60/x
  3. Step 3: Cross multiply
    1,213,377.20x = 1,820,152.20 × 371,927.60
  4. Step 4: Simplify right side
    1,213,377.20x = 676,964,839,380.72
  5. Step 5: Solve for x
    x = 676,964,839,380.72/1,213,377.20
  6. Step 6: Final answer
    x = 557,917.88

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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.