Home / 1,528,200-2,108,985.30-849,136.50

Finding the Fourth Proportional to 1,528,200, 2,108,985.30 and 849,136.50

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Solution

The fourth proportional to 1,528,200, 2,108,985.30 and 849,136.50 is: 1,171,846.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,200 : 2,108,985.30 = 849,136.50 : x
  2. Step 2: Convert to fraction form
    1,528,200/2,108,985.30 = 849,136.50/x
  3. Step 3: Cross multiply
    1,528,200x = 2,108,985.30 × 849,136.50
  4. Step 4: Simplify right side
    1,528,200x = 1,790,816,396,193.45
  5. Step 5: Solve for x
    x = 1,790,816,396,193.45/1,528,200
  6. Step 6: Final answer
    x = 1,171,846.88

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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.