Home / 771,563.08-1,156,921.77-238,936.24

Finding the Fourth Proportional to 771,563.08, 1,156,921.77 and 238,936.24

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Solution

The fourth proportional to 771,563.08, 1,156,921.77 and 238,936.24 is: 358,273.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,563.08 : 1,156,921.77 = 238,936.24 : x
  2. Step 2: Convert to fraction form
    771,563.08/1,156,921.77 = 238,936.24/x
  3. Step 3: Cross multiply
    771,563.08x = 1,156,921.77 × 238,936.24
  4. Step 4: Simplify right side
    771,563.08x = 276,430,537,697.95
  5. Step 5: Solve for x
    x = 276,430,537,697.95/771,563.08
  6. Step 6: Final answer
    x = 358,273.41

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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.