Home / 1,112,171.30-1,534,770.63-628,715.81

Finding the Fourth Proportional to 1,112,171.30, 1,534,770.63 and 628,715.81

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Solution

The fourth proportional to 1,112,171.30, 1,534,770.63 and 628,715.81 is: 867,613.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,171.30 : 1,534,770.63 = 628,715.81 : x
  2. Step 2: Convert to fraction form
    1,112,171.30/1,534,770.63 = 628,715.81/x
  3. Step 3: Cross multiply
    1,112,171.30x = 1,534,770.63 × 628,715.81
  4. Step 4: Simplify right side
    1,112,171.30x = 964,934,552,130.81
  5. Step 5: Solve for x
    x = 964,934,552,130.81/1,112,171.30
  6. Step 6: Final answer
    x = 867,613.25

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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.