Home / 1,116,996.90-1,675,459.68-358,835.28

Finding the Fourth Proportional to 1,116,996.90, 1,675,459.68 and 358,835.28

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Solution

The fourth proportional to 1,116,996.90, 1,675,459.68 and 358,835.28 is: 538,241.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,996.90 : 1,675,459.68 = 358,835.28 : x
  2. Step 2: Convert to fraction form
    1,116,996.90/1,675,459.68 = 358,835.28/x
  3. Step 3: Cross multiply
    1,116,996.90x = 1,675,459.68 × 358,835.28
  4. Step 4: Simplify right side
    1,116,996.90x = 601,214,043,401.51
  5. Step 5: Solve for x
    x = 601,214,043,401.51/1,116,996.90
  6. Step 6: Final answer
    x = 538,241.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.