Home / 1,117,311.04-1,675,982.20-318,592.92

Finding the Fourth Proportional to 1,117,311.04, 1,675,982.20 and 318,592.92

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Solution

The fourth proportional to 1,117,311.04, 1,675,982.20 and 318,592.92 is: 477,893.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,311.04 : 1,675,982.20 = 318,592.92 : x
  2. Step 2: Convert to fraction form
    1,117,311.04/1,675,982.20 = 318,592.92/x
  3. Step 3: Cross multiply
    1,117,311.04x = 1,675,982.20 × 318,592.92
  4. Step 4: Simplify right side
    1,117,311.04x = 533,956,062,966.02
  5. Step 5: Solve for x
    x = 533,956,062,966.02/1,117,311.04
  6. Step 6: Final answer
    x = 477,893.84

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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.