Home / 700,855.43-1,047,443.20-511,714.55

Finding the Fourth Proportional to 700,855.43, 1,047,443.20 and 511,714.55

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Solution

The fourth proportional to 700,855.43, 1,047,443.20 and 511,714.55 is: 764,768.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,855.43 : 1,047,443.20 = 511,714.55 : x
  2. Step 2: Convert to fraction form
    700,855.43/1,047,443.20 = 511,714.55/x
  3. Step 3: Cross multiply
    700,855.43x = 1,047,443.20 × 511,714.55
  4. Step 4: Simplify right side
    700,855.43x = 535,991,925,738.56
  5. Step 5: Solve for x
    x = 535,991,925,738.56/700,855.43
  6. Step 6: Final answer
    x = 764,768.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.