Home / 928,678.03-1,393,017.35-613,061.12

Finding the Fourth Proportional to 928,678.03, 1,393,017.35 and 613,061.12

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Solution

The fourth proportional to 928,678.03, 1,393,017.35 and 613,061.12 is: 919,591.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,678.03 : 1,393,017.35 = 613,061.12 : x
  2. Step 2: Convert to fraction form
    928,678.03/1,393,017.35 = 613,061.12/x
  3. Step 3: Cross multiply
    928,678.03x = 1,393,017.35 × 613,061.12
  4. Step 4: Simplify right side
    928,678.03x = 854,004,777,187.67
  5. Step 5: Solve for x
    x = 854,004,777,187.67/928,678.03
  6. Step 6: Final answer
    x = 919,591.88

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Double scale
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Similar ratio
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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.