Home / 1,190,354.96-1,785,335.04-391,646.24

Finding the Fourth Proportional to 1,190,354.96, 1,785,335.04 and 391,646.24

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Solution

The fourth proportional to 1,190,354.96, 1,785,335.04 and 391,646.24 is: 587,404.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,354.96 : 1,785,335.04 = 391,646.24 : x
  2. Step 2: Convert to fraction form
    1,190,354.96/1,785,335.04 = 391,646.24/x
  3. Step 3: Cross multiply
    1,190,354.96x = 1,785,335.04 × 391,646.24
  4. Step 4: Simplify right side
    1,190,354.96x = 699,219,755,556.25
  5. Step 5: Solve for x
    x = 699,219,755,556.25/1,190,354.96
  6. Step 6: Final answer
    x = 587,404.41

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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.