Home / 667,357.90-1,001,036.85-622,743.10

Finding the Fourth Proportional to 667,357.90, 1,001,036.85 and 622,743.10

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Solution

The fourth proportional to 667,357.90, 1,001,036.85 and 622,743.10 is: 934,114.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,357.90 : 1,001,036.85 = 622,743.10 : x
  2. Step 2: Convert to fraction form
    667,357.90/1,001,036.85 = 622,743.10/x
  3. Step 3: Cross multiply
    667,357.90x = 1,001,036.85 × 622,743.10
  4. Step 4: Simplify right side
    667,357.90x = 623,388,791,183.24
  5. Step 5: Solve for x
    x = 623,388,791,183.24/667,357.90
  6. Step 6: Final answer
    x = 934,114.65

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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.