Home / 1,022,898.30-1,534,291.98-312,926.40

Finding the Fourth Proportional to 1,022,898.30, 1,534,291.98 and 312,926.40

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Solution

The fourth proportional to 1,022,898.30, 1,534,291.98 and 312,926.40 is: 469,372.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,898.30 : 1,534,291.98 = 312,926.40 : x
  2. Step 2: Convert to fraction form
    1,022,898.30/1,534,291.98 = 312,926.40/x
  3. Step 3: Cross multiply
    1,022,898.30x = 1,534,291.98 × 312,926.40
  4. Step 4: Simplify right side
    1,022,898.30x = 480,120,465,850.27
  5. Step 5: Solve for x
    x = 480,120,465,850.27/1,022,898.30
  6. Step 6: Final answer
    x = 469,372.63

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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.