Home / 6,328,829.89-8,733,827.19-3,428,220.76

Finding the Fourth Proportional to 6,328,829.89, 8,733,827.19 and 3,428,220.76

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Solution

The fourth proportional to 6,328,829.89, 8,733,827.19 and 3,428,220.76 is: 4,730,967.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,328,829.89 : 8,733,827.19 = 3,428,220.76 : x
  2. Step 2: Convert to fraction form
    6,328,829.89/8,733,827.19 = 3,428,220.76/x
  3. Step 3: Cross multiply
    6,328,829.89x = 8,733,827.19 × 3,428,220.76
  4. Step 4: Simplify right side
    6,328,829.89x = 29,941,487,701,848.95
  5. Step 5: Solve for x
    x = 29,941,487,701,848.95/6,328,829.89
  6. Step 6: Final answer
    x = 4,730,967.37

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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.