Home / 818,874.42-1,130,054.10-451,331.40

Finding the Fourth Proportional to 818,874.42, 1,130,054.10 and 451,331.40

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Solution

The fourth proportional to 818,874.42, 1,130,054.10 and 451,331.40 is: 622,841.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,874.42 : 1,130,054.10 = 451,331.40 : x
  2. Step 2: Convert to fraction form
    818,874.42/1,130,054.10 = 451,331.40/x
  3. Step 3: Cross multiply
    818,874.42x = 1,130,054.10 × 451,331.40
  4. Step 4: Simplify right side
    818,874.42x = 510,028,899,028.74
  5. Step 5: Solve for x
    x = 510,028,899,028.74/818,874.42
  6. Step 6: Final answer
    x = 622,841.41

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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.