Home / 854,649.09-1,179,778.89-532,518.34

Finding the Fourth Proportional to 854,649.09, 1,179,778.89 and 532,518.34

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Solution

The fourth proportional to 854,649.09, 1,179,778.89 and 532,518.34 is: 735,101.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,649.09 : 1,179,778.89 = 532,518.34 : x
  2. Step 2: Convert to fraction form
    854,649.09/1,179,778.89 = 532,518.34/x
  3. Step 3: Cross multiply
    854,649.09x = 1,179,778.89 × 532,518.34
  4. Step 4: Simplify right side
    854,649.09x = 628,253,896,069.84
  5. Step 5: Solve for x
    x = 628,253,896,069.84/854,649.09
  6. Step 6: Final answer
    x = 735,101.58

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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.