Home / 536,043.31-739,460.55-434,183.79

Finding the Fourth Proportional to 536,043.31, 739,460.55 and 434,183.79

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Solution

The fourth proportional to 536,043.31, 739,460.55 and 434,183.79 is: 598,947.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,043.31 : 739,460.55 = 434,183.79 : x
  2. Step 2: Convert to fraction form
    536,043.31/739,460.55 = 434,183.79/x
  3. Step 3: Cross multiply
    536,043.31x = 739,460.55 × 434,183.79
  4. Step 4: Simplify right side
    536,043.31x = 321,061,780,457.18
  5. Step 5: Solve for x
    x = 321,061,780,457.18/536,043.31
  6. Step 6: Final answer
    x = 598,947.46

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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.