Home / 588,041.80-811,746.08-397,313.60

Finding the Fourth Proportional to 588,041.80, 811,746.08 and 397,313.60

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Solution

The fourth proportional to 588,041.80, 811,746.08 and 397,313.60 is: 548,460.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,041.80 : 811,746.08 = 397,313.60 : x
  2. Step 2: Convert to fraction form
    588,041.80/811,746.08 = 397,313.60/x
  3. Step 3: Cross multiply
    588,041.80x = 811,746.08 × 397,313.60
  4. Step 4: Simplify right side
    588,041.80x = 322,517,757,330.69
  5. Step 5: Solve for x
    x = 322,517,757,330.69/588,041.80
  6. Step 6: Final answer
    x = 548,460.60

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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.