Home / 439,740.14-606,856.29-258,449.45

Finding the Fourth Proportional to 439,740.14, 606,856.29 and 258,449.45

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Solution

The fourth proportional to 439,740.14, 606,856.29 and 258,449.45 is: 356,669.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,740.14 : 606,856.29 = 258,449.45 : x
  2. Step 2: Convert to fraction form
    439,740.14/606,856.29 = 258,449.45/x
  3. Step 3: Cross multiply
    439,740.14x = 606,856.29 × 258,449.45
  4. Step 4: Simplify right side
    439,740.14x = 156,841,674,379.54
  5. Step 5: Solve for x
    x = 156,841,674,379.54/439,740.14
  6. Step 6: Final answer
    x = 356,669.00

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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.