Home / 1,240,042.73-1,711,140.77-696,053.84

Finding the Fourth Proportional to 1,240,042.73, 1,711,140.77 and 696,053.84

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Solution

The fourth proportional to 1,240,042.73, 1,711,140.77 and 696,053.84 is: 960,487.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,042.73 : 1,711,140.77 = 696,053.84 : x
  2. Step 2: Convert to fraction form
    1,240,042.73/1,711,140.77 = 696,053.84/x
  3. Step 3: Cross multiply
    1,240,042.73x = 1,711,140.77 × 696,053.84
  4. Step 4: Simplify right side
    1,240,042.73x = 1,191,046,100,258.79
  5. Step 5: Solve for x
    x = 1,191,046,100,258.79/1,240,042.73
  6. Step 6: Final answer
    x = 960,487.95

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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.