Home / 739,174.98-1,019,985.30-545,685.60

Finding the Fourth Proportional to 739,174.98, 1,019,985.30 and 545,685.60

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Solution

The fourth proportional to 739,174.98, 1,019,985.30 and 545,685.60 is: 752,989.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,174.98 : 1,019,985.30 = 545,685.60 : x
  2. Step 2: Convert to fraction form
    739,174.98/1,019,985.30 = 545,685.60/x
  3. Step 3: Cross multiply
    739,174.98x = 1,019,985.30 × 545,685.60
  4. Step 4: Simplify right side
    739,174.98x = 556,591,290,421.68
  5. Step 5: Solve for x
    x = 556,591,290,421.68/739,174.98
  6. Step 6: Final answer
    x = 752,989.89

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Double scale
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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.