Home / 590,581.59-815,254.52-397,101.45

Finding the Fourth Proportional to 590,581.59, 815,254.52 and 397,101.45

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Solution

The fourth proportional to 590,581.59, 815,254.52 and 397,101.45 is: 548,169.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,581.59 : 815,254.52 = 397,101.45 : x
  2. Step 2: Convert to fraction form
    590,581.59/815,254.52 = 397,101.45/x
  3. Step 3: Cross multiply
    590,581.59x = 815,254.52 × 397,101.45
  4. Step 4: Simplify right side
    590,581.59x = 323,738,750,025.55
  5. Step 5: Solve for x
    x = 323,738,750,025.55/590,581.59
  6. Step 6: Final answer
    x = 548,169.39

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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.