Home / 6,328,849.49-8,733,854.21-3,428,240.30

Finding the Fourth Proportional to 6,328,849.49, 8,733,854.21 and 3,428,240.30

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Solution

The fourth proportional to 6,328,849.49, 8,733,854.21 and 3,428,240.30 is: 4,730,994.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,328,849.49 : 8,733,854.21 = 3,428,240.30 : x
  2. Step 2: Convert to fraction form
    6,328,849.49/8,733,854.21 = 3,428,240.30/x
  3. Step 3: Cross multiply
    6,328,849.49x = 8,733,854.21 × 3,428,240.30
  4. Step 4: Simplify right side
    6,328,849.49x = 29,941,750,916,236.19
  5. Step 5: Solve for x
    x = 29,941,750,916,236.19/6,328,849.49
  6. Step 6: Final answer
    x = 4,730,994.31

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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.