Home / 1,043,636.08-1,565,394.16-619,863.68

Finding the Fourth Proportional to 1,043,636.08, 1,565,394.16 and 619,863.68

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Solution

The fourth proportional to 1,043,636.08, 1,565,394.16 and 619,863.68 is: 929,759.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043,636.08 : 1,565,394.16 = 619,863.68 : x
  2. Step 2: Convert to fraction form
    1,043,636.08/1,565,394.16 = 619,863.68/x
  3. Step 3: Cross multiply
    1,043,636.08x = 1,565,394.16 × 619,863.68
  4. Step 4: Simplify right side
    1,043,636.08x = 970,330,984,668.11
  5. Step 5: Solve for x
    x = 970,330,984,668.11/1,043,636.08
  6. Step 6: Final answer
    x = 929,759.91

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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.