Home / 514,114.08-709,376.60-323,016.75

Finding the Fourth Proportional to 514,114.08, 709,376.60 and 323,016.75

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Solution

The fourth proportional to 514,114.08, 709,376.60 and 323,016.75 is: 445,699.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,114.08 : 709,376.60 = 323,016.75 : x
  2. Step 2: Convert to fraction form
    514,114.08/709,376.60 = 323,016.75/x
  3. Step 3: Cross multiply
    514,114.08x = 709,376.60 × 323,016.75
  4. Step 4: Simplify right side
    514,114.08x = 229,140,523,858.05
  5. Step 5: Solve for x
    x = 229,140,523,858.05/514,114.08
  6. Step 6: Final answer
    x = 445,699.76

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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.