Home / 1,236,349.80-1,854,524.70-383,419.80

Finding the Fourth Proportional to 1,236,349.80, 1,854,524.70 and 383,419.80

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Solution

The fourth proportional to 1,236,349.80, 1,854,524.70 and 383,419.80 is: 575,129.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,349.80 : 1,854,524.70 = 383,419.80 : x
  2. Step 2: Convert to fraction form
    1,236,349.80/1,854,524.70 = 383,419.80/x
  3. Step 3: Cross multiply
    1,236,349.80x = 1,854,524.70 × 383,419.80
  4. Step 4: Simplify right side
    1,236,349.80x = 711,061,489,569.06
  5. Step 5: Solve for x
    x = 711,061,489,569.06/1,236,349.80
  6. Step 6: Final answer
    x = 575,129.70

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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.