Home / 837,960.71-1,257,564.65-411,725.34

Finding the Fourth Proportional to 837,960.71, 1,257,564.65 and 411,725.34

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Solution

The fourth proportional to 837,960.71, 1,257,564.65 and 411,725.34 is: 617,894.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,960.71 : 1,257,564.65 = 411,725.34 : x
  2. Step 2: Convert to fraction form
    837,960.71/1,257,564.65 = 411,725.34/x
  3. Step 3: Cross multiply
    837,960.71x = 1,257,564.65 × 411,725.34
  4. Step 4: Simplify right side
    837,960.71x = 517,771,231,034.60
  5. Step 5: Solve for x
    x = 517,771,231,034.60/837,960.71
  6. Step 6: Final answer
    x = 617,894.40

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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.