Home / 786,103.40-1,084,689.84-441,893.52

Finding the Fourth Proportional to 786,103.40, 1,084,689.84 and 441,893.52

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Solution

The fourth proportional to 786,103.40, 1,084,689.84 and 441,893.52 is: 609,738.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,103.40 : 1,084,689.84 = 441,893.52 : x
  2. Step 2: Convert to fraction form
    786,103.40/1,084,689.84 = 441,893.52/x
  3. Step 3: Cross multiply
    786,103.40x = 1,084,689.84 × 441,893.52
  4. Step 4: Simplify right side
    786,103.40x = 479,317,411,505.84
  5. Step 5: Solve for x
    x = 479,317,411,505.84/786,103.40
  6. Step 6: Final answer
    x = 609,738.38

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Double scale
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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.