Home / 530,197.83-731,651.04-288,481.32

Finding the Fourth Proportional to 530,197.83, 731,651.04 and 288,481.32

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Solution

The fourth proportional to 530,197.83, 731,651.04 and 288,481.32 is: 398,092.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,197.83 : 731,651.04 = 288,481.32 : x
  2. Step 2: Convert to fraction form
    530,197.83/731,651.04 = 288,481.32/x
  3. Step 3: Cross multiply
    530,197.83x = 731,651.04 × 288,481.32
  4. Step 4: Simplify right side
    530,197.83x = 211,067,657,798.57
  5. Step 5: Solve for x
    x = 211,067,657,798.57/530,197.83
  6. Step 6: Final answer
    x = 398,092.27

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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.