Home / 813,717.07-1,122,927.53-451,131.59

Finding the Fourth Proportional to 813,717.07, 1,122,927.53 and 451,131.59

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Solution

The fourth proportional to 813,717.07, 1,122,927.53 and 451,131.59 is: 622,560.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,717.07 : 1,122,927.53 = 451,131.59 : x
  2. Step 2: Convert to fraction form
    813,717.07/1,122,927.53 = 451,131.59/x
  3. Step 3: Cross multiply
    813,717.07x = 1,122,927.53 × 451,131.59
  4. Step 4: Simplify right side
    813,717.07x = 506,588,082,615.33
  5. Step 5: Solve for x
    x = 506,588,082,615.33/813,717.07
  6. Step 6: Final answer
    x = 622,560.47

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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.