Home / 1,043,145.60-1,564,791.30-411,977.40

Finding the Fourth Proportional to 1,043,145.60, 1,564,791.30 and 411,977.40

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Solution

The fourth proportional to 1,043,145.60, 1,564,791.30 and 411,977.40 is: 617,994.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043,145.60 : 1,564,791.30 = 411,977.40 : x
  2. Step 2: Convert to fraction form
    1,043,145.60/1,564,791.30 = 411,977.40/x
  3. Step 3: Cross multiply
    1,043,145.60x = 1,564,791.30 × 411,977.40
  4. Step 4: Simplify right side
    1,043,145.60x = 644,658,651,316.62
  5. Step 5: Solve for x
    x = 644,658,651,316.62/1,043,145.60
  6. Step 6: Final answer
    x = 617,994.89

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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.