Home / 813,693.90-1,122,924.15-451,151.49

Finding the Fourth Proportional to 813,693.90, 1,122,924.15 and 451,151.49

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Solution

The fourth proportional to 813,693.90, 1,122,924.15 and 451,151.49 is: 622,603.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,693.90 : 1,122,924.15 = 451,151.49 : x
  2. Step 2: Convert to fraction form
    813,693.90/1,122,924.15 = 451,151.49/x
  3. Step 3: Cross multiply
    813,693.90x = 1,122,924.15 × 451,151.49
  4. Step 4: Simplify right side
    813,693.90x = 506,608,903,429.48
  5. Step 5: Solve for x
    x = 506,608,903,429.48/813,693.90
  6. Step 6: Final answer
    x = 622,603.79

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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.