Home / 880,116.02-1,214,518.11-540,518.66

Finding the Fourth Proportional to 880,116.02, 1,214,518.11 and 540,518.66

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Solution

The fourth proportional to 880,116.02, 1,214,518.11 and 540,518.66 is: 745,889.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,116.02 : 1,214,518.11 = 540,518.66 : x
  2. Step 2: Convert to fraction form
    880,116.02/1,214,518.11 = 540,518.66/x
  3. Step 3: Cross multiply
    880,116.02x = 1,214,518.11 × 540,518.66
  4. Step 4: Simplify right side
    880,116.02x = 656,469,701,362.93
  5. Step 5: Solve for x
    x = 656,469,701,362.93/880,116.02
  6. Step 6: Final answer
    x = 745,889.96

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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.