Home / 755,454.57-1,042,533.60-411,292.86

Finding the Fourth Proportional to 755,454.57, 1,042,533.60 and 411,292.86

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Solution

The fourth proportional to 755,454.57, 1,042,533.60 and 411,292.86 is: 567,587.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,454.57 : 1,042,533.60 = 411,292.86 : x
  2. Step 2: Convert to fraction form
    755,454.57/1,042,533.60 = 411,292.86/x
  3. Step 3: Cross multiply
    755,454.57x = 1,042,533.60 × 411,292.86
  4. Step 4: Simplify right side
    755,454.57x = 428,786,625,990.10
  5. Step 5: Solve for x
    x = 428,786,625,990.10/755,454.57
  6. Step 6: Final answer
    x = 567,587.57

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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.