Home / 746,670.60-1,120,005.90-410,747.40

Finding the Fourth Proportional to 746,670.60, 1,120,005.90 and 410,747.40

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Solution

The fourth proportional to 746,670.60, 1,120,005.90 and 410,747.40 is: 616,121.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,670.60 : 1,120,005.90 = 410,747.40 : x
  2. Step 2: Convert to fraction form
    746,670.60/1,120,005.90 = 410,747.40/x
  3. Step 3: Cross multiply
    746,670.60x = 1,120,005.90 × 410,747.40
  4. Step 4: Simplify right side
    746,670.60x = 460,039,511,409.66
  5. Step 5: Solve for x
    x = 460,039,511,409.66/746,670.60
  6. Step 6: Final answer
    x = 616,121.10

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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.