Home / 1,240,242.34-1,711,552.38-696,495.82

Finding the Fourth Proportional to 1,240,242.34, 1,711,552.38 and 696,495.82

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Solution

The fourth proportional to 1,240,242.34, 1,711,552.38 and 696,495.82 is: 961,174.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,242.34 : 1,711,552.38 = 696,495.82 : x
  2. Step 2: Convert to fraction form
    1,240,242.34/1,711,552.38 = 696,495.82/x
  3. Step 3: Cross multiply
    1,240,242.34x = 1,711,552.38 × 696,495.82
  4. Step 4: Simplify right side
    1,240,242.34x = 1,192,089,078,381.05
  5. Step 5: Solve for x
    x = 1,192,089,078,381.05/1,240,242.34
  6. Step 6: Final answer
    x = 961,174.31

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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.