Home / 507,194.22-699,919.47-280,834.86

Finding the Fourth Proportional to 507,194.22, 699,919.47 and 280,834.86

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Solution

The fourth proportional to 507,194.22, 699,919.47 and 280,834.86 is: 387,547.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,194.22 : 699,919.47 = 280,834.86 : x
  2. Step 2: Convert to fraction form
    507,194.22/699,919.47 = 280,834.86/x
  3. Step 3: Cross multiply
    507,194.22x = 699,919.47 × 280,834.86
  4. Step 4: Simplify right side
    507,194.22x = 196,561,786,368.72
  5. Step 5: Solve for x
    x = 196,561,786,368.72/507,194.22
  6. Step 6: Final answer
    x = 387,547.37

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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.