Home / 836,091.12-1,153,636.36-509,185

Finding the Fourth Proportional to 836,091.12, 1,153,636.36 and 509,185

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Solution

The fourth proportional to 836,091.12, 1,153,636.36 and 509,185 is: 702,572.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,091.12 : 1,153,636.36 = 509,185 : x
  2. Step 2: Convert to fraction form
    836,091.12/1,153,636.36 = 509,185/x
  3. Step 3: Cross multiply
    836,091.12x = 1,153,636.36 × 509,185
  4. Step 4: Simplify right side
    836,091.12x = 587,414,329,966.60
  5. Step 5: Solve for x
    x = 587,414,329,966.60/836,091.12
  6. Step 6: Final answer
    x = 702,572.14

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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.