Home / 786,504.17-1,085,329.43-437,635.29

Finding the Fourth Proportional to 786,504.17, 1,085,329.43 and 437,635.29

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Solution

The fourth proportional to 786,504.17, 1,085,329.43 and 437,635.29 is: 603,910.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,504.17 : 1,085,329.43 = 437,635.29 : x
  2. Step 2: Convert to fraction form
    786,504.17/1,085,329.43 = 437,635.29/x
  3. Step 3: Cross multiply
    786,504.17x = 1,085,329.43 × 437,635.29
  4. Step 4: Simplify right side
    786,504.17x = 474,978,459,843.59
  5. Step 5: Solve for x
    x = 474,978,459,843.59/786,504.17
  6. Step 6: Final answer
    x = 603,910.92

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1.5x scale

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.