Home / 514,191.42-709,412.25-299,285.85

Finding the Fourth Proportional to 514,191.42, 709,412.25 and 299,285.85

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Solution

The fourth proportional to 514,191.42, 709,412.25 and 299,285.85 is: 412,914.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,191.42 : 709,412.25 = 299,285.85 : x
  2. Step 2: Convert to fraction form
    514,191.42/709,412.25 = 299,285.85/x
  3. Step 3: Cross multiply
    514,191.42x = 709,412.25 × 299,285.85
  4. Step 4: Simplify right side
    514,191.42x = 212,317,048,241.66
  5. Step 5: Solve for x
    x = 212,317,048,241.66/514,191.42
  6. Step 6: Final answer
    x = 412,914.41

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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.