Home / 439,557.57-606,667.11-258,269.46

Finding the Fourth Proportional to 439,557.57, 606,667.11 and 258,269.46

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Solution

The fourth proportional to 439,557.57, 606,667.11 and 258,269.46 is: 356,457.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,557.57 : 606,667.11 = 258,269.46 : x
  2. Step 2: Convert to fraction form
    439,557.57/606,667.11 = 258,269.46/x
  3. Step 3: Cross multiply
    439,557.57x = 606,667.11 × 258,269.46
  4. Step 4: Simplify right side
    439,557.57x = 156,683,586,899.46
  5. Step 5: Solve for x
    x = 156,683,586,899.46/439,557.57
  6. Step 6: Final answer
    x = 356,457.49

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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.