Home / 3,312,905.52-4,969,468.74-916,549.50

Finding the Fourth Proportional to 3,312,905.52, 4,969,468.74 and 916,549.50

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Solution

The fourth proportional to 3,312,905.52, 4,969,468.74 and 916,549.50 is: 1,374,854.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,312,905.52 : 4,969,468.74 = 916,549.50 : x
  2. Step 2: Convert to fraction form
    3,312,905.52/4,969,468.74 = 916,549.50/x
  3. Step 3: Cross multiply
    3,312,905.52x = 4,969,468.74 × 916,549.50
  4. Step 4: Simplify right side
    3,312,905.52x = 4,554,764,088,912.63
  5. Step 5: Solve for x
    x = 4,554,764,088,912.63/3,312,905.52
  6. Step 6: Final answer
    x = 1,374,854.81

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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.