Home / 700,855.55-1,047,443.39-511,714.68

Finding the Fourth Proportional to 700,855.55, 1,047,443.39 and 511,714.68

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Solution

The fourth proportional to 700,855.55, 1,047,443.39 and 511,714.68 is: 764,768.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,855.55 : 1,047,443.39 = 511,714.68 : x
  2. Step 2: Convert to fraction form
    700,855.55/1,047,443.39 = 511,714.68/x
  3. Step 3: Cross multiply
    700,855.55x = 1,047,443.39 × 511,714.68
  4. Step 4: Simplify right side
    700,855.55x = 535,992,159,131.97
  5. Step 5: Solve for x
    x = 535,992,159,131.97/700,855.55
  6. Step 6: Final answer
    x = 764,768.37

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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.