Home / 838,840.14-1,157,749.52-494,655.21

Finding the Fourth Proportional to 838,840.14, 1,157,749.52 and 494,655.21

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Solution

The fourth proportional to 838,840.14, 1,157,749.52 and 494,655.21 is: 682,712.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,840.14 : 1,157,749.52 = 494,655.21 : x
  2. Step 2: Convert to fraction form
    838,840.14/1,157,749.52 = 494,655.21/x
  3. Step 3: Cross multiply
    838,840.14x = 1,157,749.52 × 494,655.21
  4. Step 4: Simplify right side
    838,840.14x = 572,686,829,469.72
  5. Step 5: Solve for x
    x = 572,686,829,469.72/838,840.14
  6. Step 6: Final answer
    x = 682,712.72

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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.