Home / 6,324,290.72-8,727,511.20-3,423,680.72

Finding the Fourth Proportional to 6,324,290.72, 8,727,511.20 and 3,423,680.72

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Solution

The fourth proportional to 6,324,290.72, 8,727,511.20 and 3,423,680.72 is: 4,724,673.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,324,290.72 : 8,727,511.20 = 3,423,680.72 : x
  2. Step 2: Convert to fraction form
    6,324,290.72/8,727,511.20 = 3,423,680.72/x
  3. Step 3: Cross multiply
    6,324,290.72x = 8,727,511.20 × 3,423,680.72
  4. Step 4: Simplify right side
    6,324,290.72x = 29,880,211,829,024.06
  5. Step 5: Solve for x
    x = 29,880,211,829,024.06/6,324,290.72
  6. Step 6: Final answer
    x = 4,724,673.98

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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.