Home / 740,166.31-1,110,025.97-384,986.57

Finding the Fourth Proportional to 740,166.31, 1,110,025.97 and 384,986.57

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Solution

The fourth proportional to 740,166.31, 1,110,025.97 and 384,986.57 is: 577,363.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,166.31 : 1,110,025.97 = 384,986.57 : x
  2. Step 2: Convert to fraction form
    740,166.31/1,110,025.97 = 384,986.57/x
  3. Step 3: Cross multiply
    740,166.31x = 1,110,025.97 × 384,986.57
  4. Step 4: Simplify right side
    740,166.31x = 427,345,090,801.22
  5. Step 5: Solve for x
    x = 427,345,090,801.22/740,166.31
  6. Step 6: Final answer
    x = 577,363.61

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1.5x scale

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.