Home / 991,651.94-1,487,898.80-541,847.40

Finding the Fourth Proportional to 991,651.94, 1,487,898.80 and 541,847.40

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Solution

The fourth proportional to 991,651.94, 1,487,898.80 and 541,847.40 is: 813,001.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,651.94 : 1,487,898.80 = 541,847.40 : x
  2. Step 2: Convert to fraction form
    991,651.94/1,487,898.80 = 541,847.40/x
  3. Step 3: Cross multiply
    991,651.94x = 1,487,898.80 × 541,847.40
  4. Step 4: Simplify right side
    991,651.94x = 806,214,096,243.12
  5. Step 5: Solve for x
    x = 806,214,096,243.12/991,651.94
  6. Step 6: Final answer
    x = 813,001.08

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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.