Home / 514,406.48-771,609.81-214,723.58

Finding the Fourth Proportional to 514,406.48, 771,609.81 and 214,723.58

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Solution

The fourth proportional to 514,406.48, 771,609.81 and 214,723.58 is: 322,085.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,406.48 : 771,609.81 = 214,723.58 : x
  2. Step 2: Convert to fraction form
    514,406.48/771,609.81 = 214,723.58/x
  3. Step 3: Cross multiply
    514,406.48x = 771,609.81 × 214,723.58
  4. Step 4: Simplify right side
    514,406.48x = 165,682,820,766.32
  5. Step 5: Solve for x
    x = 165,682,820,766.32/514,406.48
  6. Step 6: Final answer
    x = 322,085.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.