Home / 1,294,579.40-1,941,869.10-453,216.20

Finding the Fourth Proportional to 1,294,579.40, 1,941,869.10 and 453,216.20

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Solution

The fourth proportional to 1,294,579.40, 1,941,869.10 and 453,216.20 is: 679,824.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,579.40 : 1,941,869.10 = 453,216.20 : x
  2. Step 2: Convert to fraction form
    1,294,579.40/1,941,869.10 = 453,216.20/x
  3. Step 3: Cross multiply
    1,294,579.40x = 1,941,869.10 × 453,216.20
  4. Step 4: Simplify right side
    1,294,579.40x = 880,086,534,399.42
  5. Step 5: Solve for x
    x = 880,086,534,399.42/1,294,579.40
  6. Step 6: Final answer
    x = 679,824.30

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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.