Home / 639,201.51-958,835.31-606,879.18

Finding the Fourth Proportional to 639,201.51, 958,835.31 and 606,879.18

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Solution

The fourth proportional to 639,201.51, 958,835.31 and 606,879.18 is: 910,350.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,201.51 : 958,835.31 = 606,879.18 : x
  2. Step 2: Convert to fraction form
    639,201.51/958,835.31 = 606,879.18/x
  3. Step 3: Cross multiply
    639,201.51x = 958,835.31 × 606,879.18
  4. Step 4: Simplify right side
    639,201.51x = 581,897,186,687.85
  5. Step 5: Solve for x
    x = 581,897,186,687.85/639,201.51
  6. Step 6: Final answer
    x = 910,350.14

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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.