Home / 955,341.82-1,318,382.22-519,761.67

Finding the Fourth Proportional to 955,341.82, 1,318,382.22 and 519,761.67

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Solution

The fourth proportional to 955,341.82, 1,318,382.22 and 519,761.67 is: 717,276.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,341.82 : 1,318,382.22 = 519,761.67 : x
  2. Step 2: Convert to fraction form
    955,341.82/1,318,382.22 = 519,761.67/x
  3. Step 3: Cross multiply
    955,341.82x = 1,318,382.22 × 519,761.67
  4. Step 4: Simplify right side
    955,341.82x = 685,244,544,365.51
  5. Step 5: Solve for x
    x = 685,244,544,365.51/955,341.82
  6. Step 6: Final answer
    x = 717,276.82

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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.