Home / 813,832.67-1,122,968.91-451,259.16

Finding the Fourth Proportional to 813,832.67, 1,122,968.91 and 451,259.16

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Solution

The fourth proportional to 813,832.67, 1,122,968.91 and 451,259.16 is: 622,671.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,832.67 : 1,122,968.91 = 451,259.16 : x
  2. Step 2: Convert to fraction form
    813,832.67/1,122,968.91 = 451,259.16/x
  3. Step 3: Cross multiply
    813,832.67x = 1,122,968.91 × 451,259.16
  4. Step 4: Simplify right side
    813,832.67x = 506,750,012,409.68
  5. Step 5: Solve for x
    x = 506,750,012,409.68/813,832.67
  6. Step 6: Final answer
    x = 622,671.01

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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.