Home / 739,753.56-1,109,896.83-260,113.68

Finding the Fourth Proportional to 739,753.56, 1,109,896.83 and 260,113.68

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Solution

The fourth proportional to 739,753.56, 1,109,896.83 and 260,113.68 is: 390,264.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,753.56 : 1,109,896.83 = 260,113.68 : x
  2. Step 2: Convert to fraction form
    739,753.56/1,109,896.83 = 260,113.68/x
  3. Step 3: Cross multiply
    739,753.56x = 1,109,896.83 × 260,113.68
  4. Step 4: Simplify right side
    739,753.56x = 288,699,348,871.63
  5. Step 5: Solve for x
    x = 288,699,348,871.63/739,753.56
  6. Step 6: Final answer
    x = 390,264.22

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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.