Home / 893,423.63-1,340,385.59-361,318.33

Finding the Fourth Proportional to 893,423.63, 1,340,385.59 and 361,318.33

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Solution

The fourth proportional to 893,423.63, 1,340,385.59 and 361,318.33 is: 542,078.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,423.63 : 1,340,385.59 = 361,318.33 : x
  2. Step 2: Convert to fraction form
    893,423.63/1,340,385.59 = 361,318.33/x
  3. Step 3: Cross multiply
    893,423.63x = 1,340,385.59 × 361,318.33
  4. Step 4: Simplify right side
    893,423.63x = 484,305,877,777.31
  5. Step 5: Solve for x
    x = 484,305,877,777.31/893,423.63
  6. Step 6: Final answer
    x = 542,078.65

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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.