Home / 1,013,493.14-1,398,620.66-554,607.81

Finding the Fourth Proportional to 1,013,493.14, 1,398,620.66 and 554,607.81

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Solution

The fourth proportional to 1,013,493.14, 1,398,620.66 and 554,607.81 is: 765,358.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,493.14 : 1,398,620.66 = 554,607.81 : x
  2. Step 2: Convert to fraction form
    1,013,493.14/1,398,620.66 = 554,607.81/x
  3. Step 3: Cross multiply
    1,013,493.14x = 1,398,620.66 × 554,607.81
  4. Step 4: Simplify right side
    1,013,493.14x = 775,685,933,245.49
  5. Step 5: Solve for x
    x = 775,685,933,245.49/1,013,493.14
  6. Step 6: Final answer
    x = 765,358.84

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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.