Home / 511,457.02-767,157.60-156,471.01

Finding the Fourth Proportional to 511,457.02, 767,157.60 and 156,471.01

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Solution

The fourth proportional to 511,457.02, 767,157.60 and 156,471.01 is: 234,697.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,457.02 : 767,157.60 = 156,471.01 : x
  2. Step 2: Convert to fraction form
    511,457.02/767,157.60 = 156,471.01/x
  3. Step 3: Cross multiply
    511,457.02x = 767,157.60 × 156,471.01
  4. Step 4: Simplify right side
    511,457.02x = 120,037,920,665.39
  5. Step 5: Solve for x
    x = 120,037,920,665.39/511,457.02
  6. Step 6: Final answer
    x = 234,697.97

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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.