Home / 880,110.96-1,214,511.13-540,513.60

Finding the Fourth Proportional to 880,110.96, 1,214,511.13 and 540,513.60

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Solution

The fourth proportional to 880,110.96, 1,214,511.13 and 540,513.60 is: 745,882.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,110.96 : 1,214,511.13 = 540,513.60 : x
  2. Step 2: Convert to fraction form
    880,110.96/1,214,511.13 = 540,513.60/x
  3. Step 3: Cross multiply
    880,110.96x = 1,214,511.13 × 540,513.60
  4. Step 4: Simplify right side
    880,110.96x = 656,459,783,116.37
  5. Step 5: Solve for x
    x = 656,459,783,116.37/880,110.96
  6. Step 6: Final answer
    x = 745,882.98

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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.