Home / 1,528,261.10-2,109,000.63-849,197.60

Finding the Fourth Proportional to 1,528,261.10, 2,109,000.63 and 849,197.60

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Solution

The fourth proportional to 1,528,261.10, 2,109,000.63 and 849,197.60 is: 1,171,892.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,261.10 : 2,109,000.63 = 849,197.60 : x
  2. Step 2: Convert to fraction form
    1,528,261.10/2,109,000.63 = 849,197.60/x
  3. Step 3: Cross multiply
    1,528,261.10x = 2,109,000.63 × 849,197.60
  4. Step 4: Simplify right side
    1,528,261.10x = 1,790,958,273,394.49
  5. Step 5: Solve for x
    x = 1,790,958,273,394.49/1,528,261.10
  6. Step 6: Final answer
    x = 1,171,892.86

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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.