Home / 1,028,790.90-1,419,715.89-576,098.10

Finding the Fourth Proportional to 1,028,790.90, 1,419,715.89 and 576,098.10

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Solution

The fourth proportional to 1,028,790.90, 1,419,715.89 and 576,098.10 is: 795,006.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,790.90 : 1,419,715.89 = 576,098.10 : x
  2. Step 2: Convert to fraction form
    1,028,790.90/1,419,715.89 = 576,098.10/x
  3. Step 3: Cross multiply
    1,028,790.90x = 1,419,715.89 × 576,098.10
  4. Step 4: Simplify right side
    1,028,790.90x = 817,895,626,768.81
  5. Step 5: Solve for x
    x = 817,895,626,768.81/1,028,790.90
  6. Step 6: Final answer
    x = 795,006.67

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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.