Home / 999,629.32-1,379,522.82-546,920.20

Finding the Fourth Proportional to 999,629.32, 1,379,522.82 and 546,920.20

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Solution

The fourth proportional to 999,629.32, 1,379,522.82 and 546,920.20 is: 754,768.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,629.32 : 1,379,522.82 = 546,920.20 : x
  2. Step 2: Convert to fraction form
    999,629.32/1,379,522.82 = 546,920.20/x
  3. Step 3: Cross multiply
    999,629.32x = 1,379,522.82 × 546,920.20
  4. Step 4: Simplify right side
    999,629.32x = 754,488,896,618.96
  5. Step 5: Solve for x
    x = 754,488,896,618.96/999,629.32
  6. Step 6: Final answer
    x = 754,768.67

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1.5x scale

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.