Home / 1,240,118.09-1,711,230.76-696,313.25

Finding the Fourth Proportional to 1,240,118.09, 1,711,230.76 and 696,313.25

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Solution

The fourth proportional to 1,240,118.09, 1,711,230.76 and 696,313.25 is: 960,838.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,118.09 : 1,711,230.76 = 696,313.25 : x
  2. Step 2: Convert to fraction form
    1,240,118.09/1,711,230.76 = 696,313.25/x
  3. Step 3: Cross multiply
    1,240,118.09x = 1,711,230.76 × 696,313.25
  4. Step 4: Simplify right side
    1,240,118.09x = 1,191,552,651,995.57
  5. Step 5: Solve for x
    x = 1,191,552,651,995.57/1,240,118.09
  6. Step 6: Final answer
    x = 960,838.05

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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.