Home / 1,345,410-1,856,680.32-733,557.78

Finding the Fourth Proportional to 1,345,410, 1,856,680.32 and 733,557.78

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Solution

The fourth proportional to 1,345,410, 1,856,680.32 and 733,557.78 is: 1,012,317.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,410 : 1,856,680.32 = 733,557.78 : x
  2. Step 2: Convert to fraction form
    1,345,410/1,856,680.32 = 733,557.78/x
  3. Step 3: Cross multiply
    1,345,410x = 1,856,680.32 × 733,557.78
  4. Step 4: Simplify right side
    1,345,410x = 1,361,982,293,708.89
  5. Step 5: Solve for x
    x = 1,361,982,293,708.89/1,345,410
  6. Step 6: Final answer
    x = 1,012,317.65

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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.