Home / 813,066.67-1,121,994.20-445,541.63

Finding the Fourth Proportional to 813,066.67, 1,121,994.20 and 445,541.63

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Solution

The fourth proportional to 813,066.67, 1,121,994.20 and 445,541.63 is: 614,826.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,066.67 : 1,121,994.20 = 445,541.63 : x
  2. Step 2: Convert to fraction form
    813,066.67/1,121,994.20 = 445,541.63/x
  3. Step 3: Cross multiply
    813,066.67x = 1,121,994.20 × 445,541.63
  4. Step 4: Simplify right side
    813,066.67x = 499,895,120,222.43
  5. Step 5: Solve for x
    x = 499,895,120,222.43/813,066.67
  6. Step 6: Final answer
    x = 614,826.73

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Double scale
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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.