Home / 880,115.02-1,214,516.73-540,517.66

Finding the Fourth Proportional to 880,115.02, 1,214,516.73 and 540,517.66

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Solution

The fourth proportional to 880,115.02, 1,214,516.73 and 540,517.66 is: 745,888.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,115.02 : 1,214,516.73 = 540,517.66 : x
  2. Step 2: Convert to fraction form
    880,115.02/1,214,516.73 = 540,517.66/x
  3. Step 3: Cross multiply
    880,115.02x = 1,214,516.73 × 540,517.66
  4. Step 4: Simplify right side
    880,115.02x = 656,467,739,921.10
  5. Step 5: Solve for x
    x = 656,467,739,921.10/880,115.02
  6. Step 6: Final answer
    x = 745,888.58

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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.