Home / 1,941,502.60-2,912,253.90-521,702.20

Finding the Fourth Proportional to 1,941,502.60, 2,912,253.90 and 521,702.20

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Solution

The fourth proportional to 1,941,502.60, 2,912,253.90 and 521,702.20 is: 782,553.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941,502.60 : 2,912,253.90 = 521,702.20 : x
  2. Step 2: Convert to fraction form
    1,941,502.60/2,912,253.90 = 521,702.20/x
  3. Step 3: Cross multiply
    1,941,502.60x = 2,912,253.90 × 521,702.20
  4. Step 4: Simplify right side
    1,941,502.60x = 1,519,329,266,588.58
  5. Step 5: Solve for x
    x = 1,519,329,266,588.58/1,941,502.60
  6. Step 6: Final answer
    x = 782,553.30

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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.