Home / 1,293,103.19-1,784,622.60-712,385.84

Finding the Fourth Proportional to 1,293,103.19, 1,784,622.60 and 712,385.84

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Solution

The fourth proportional to 1,293,103.19, 1,784,622.60 and 712,385.84 is: 983,169.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,103.19 : 1,784,622.60 = 712,385.84 : x
  2. Step 2: Convert to fraction form
    1,293,103.19/1,784,622.60 = 712,385.84/x
  3. Step 3: Cross multiply
    1,293,103.19x = 1,784,622.60 × 712,385.84
  4. Step 4: Simplify right side
    1,293,103.19x = 1,271,339,866,410.62
  5. Step 5: Solve for x
    x = 1,271,339,866,410.62/1,293,103.19
  6. Step 6: Final answer
    x = 983,169.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.