Home / 588,037.80-811,740.56-397,309.60

Finding the Fourth Proportional to 588,037.80, 811,740.56 and 397,309.60

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Solution

The fourth proportional to 588,037.80, 811,740.56 and 397,309.60 is: 548,455.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,037.80 : 811,740.56 = 397,309.60 : x
  2. Step 2: Convert to fraction form
    588,037.80/811,740.56 = 397,309.60/x
  3. Step 3: Cross multiply
    588,037.80x = 811,740.56 × 397,309.60
  4. Step 4: Simplify right side
    588,037.80x = 322,512,317,197.38
  5. Step 5: Solve for x
    x = 322,512,317,197.38/588,037.80
  6. Step 6: Final answer
    x = 548,455.08

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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.