Home / 637,919.96-880,457.04-366,171.54

Finding the Fourth Proportional to 637,919.96, 880,457.04 and 366,171.54

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Solution

The fourth proportional to 637,919.96, 880,457.04 and 366,171.54 is: 505,389.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,919.96 : 880,457.04 = 366,171.54 : x
  2. Step 2: Convert to fraction form
    637,919.96/880,457.04 = 366,171.54/x
  3. Step 3: Cross multiply
    637,919.96x = 880,457.04 × 366,171.54
  4. Step 4: Simplify right side
    637,919.96x = 322,398,306,938.93
  5. Step 5: Solve for x
    x = 322,398,306,938.93/637,919.96
  6. Step 6: Final answer
    x = 505,389.91

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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.