Home / 854,649.10-1,179,778.90-532,518.35

Finding the Fourth Proportional to 854,649.10, 1,179,778.90 and 532,518.35

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Solution

The fourth proportional to 854,649.10, 1,179,778.90 and 532,518.35 is: 735,101.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,649.10 : 1,179,778.90 = 532,518.35 : x
  2. Step 2: Convert to fraction form
    854,649.10/1,179,778.90 = 532,518.35/x
  3. Step 3: Cross multiply
    854,649.10x = 1,179,778.90 × 532,518.35
  4. Step 4: Simplify right side
    854,649.10x = 628,253,913,192.82
  5. Step 5: Solve for x
    x = 628,253,913,192.82/854,649.10
  6. Step 6: Final answer
    x = 735,101.60

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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.