Home / 1,119,749.76-1,677,870.72-445,466.88

Finding the Fourth Proportional to 1,119,749.76, 1,677,870.72 and 445,466.88

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Solution

The fourth proportional to 1,119,749.76, 1,677,870.72 and 445,466.88 is: 667,502.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,749.76 : 1,677,870.72 = 445,466.88 : x
  2. Step 2: Convert to fraction form
    1,119,749.76/1,677,870.72 = 445,466.88/x
  3. Step 3: Cross multiply
    1,119,749.76x = 1,677,870.72 × 445,466.88
  4. Step 4: Simplify right side
    1,119,749.76x = 747,435,834,681.75
  5. Step 5: Solve for x
    x = 747,435,834,681.75/1,119,749.76
  6. Step 6: Final answer
    x = 667,502.56

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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.