Home / 1,011,105.76-1,516,654.32-411,933.28

Finding the Fourth Proportional to 1,011,105.76, 1,516,654.32 and 411,933.28

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Solution

The fourth proportional to 1,011,105.76, 1,516,654.32 and 411,933.28 is: 617,898.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,105.76 : 1,516,654.32 = 411,933.28 : x
  2. Step 2: Convert to fraction form
    1,011,105.76/1,516,654.32 = 411,933.28/x
  3. Step 3: Cross multiply
    1,011,105.76x = 1,516,654.32 × 411,933.28
  4. Step 4: Simplify right side
    1,011,105.76x = 624,760,388,663.77
  5. Step 5: Solve for x
    x = 624,760,388,663.77/1,011,105.76
  6. Step 6: Final answer
    x = 617,898.16

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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.