Home / 743,552.64-1,026,108.90-404,020.86

Finding the Fourth Proportional to 743,552.64, 1,026,108.90 and 404,020.86

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Solution

The fourth proportional to 743,552.64, 1,026,108.90 and 404,020.86 is: 557,552.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,552.64 : 1,026,108.90 = 404,020.86 : x
  2. Step 2: Convert to fraction form
    743,552.64/1,026,108.90 = 404,020.86/x
  3. Step 3: Cross multiply
    743,552.64x = 1,026,108.90 × 404,020.86
  4. Step 4: Simplify right side
    743,552.64x = 414,569,400,231.65
  5. Step 5: Solve for x
    x = 414,569,400,231.65/743,552.64
  6. Step 6: Final answer
    x = 557,552.19

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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.