Home / 741,051.32-1,113,064.95-442,115.96

Finding the Fourth Proportional to 741,051.32, 1,113,064.95 and 442,115.96

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Solution

The fourth proportional to 741,051.32, 1,113,064.95 and 442,115.96 is: 664,061.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,051.32 : 1,113,064.95 = 442,115.96 : x
  2. Step 2: Convert to fraction form
    741,051.32/1,113,064.95 = 442,115.96/x
  3. Step 3: Cross multiply
    741,051.32x = 1,113,064.95 × 442,115.96
  4. Step 4: Simplify right side
    741,051.32x = 492,103,778,911.60
  5. Step 5: Solve for x
    x = 492,103,778,911.60/741,051.32
  6. Step 6: Final answer
    x = 664,061.67

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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.