Home / 998,482.35-1,497,723.53-438,610.35

Finding the Fourth Proportional to 998,482.35, 1,497,723.53 and 438,610.35

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Solution

The fourth proportional to 998,482.35, 1,497,723.53 and 438,610.35 is: 657,915.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,482.35 : 1,497,723.53 = 438,610.35 : x
  2. Step 2: Convert to fraction form
    998,482.35/1,497,723.53 = 438,610.35/x
  3. Step 3: Cross multiply
    998,482.35x = 1,497,723.53 × 438,610.35
  4. Step 4: Simplify right side
    998,482.35x = 656,917,039,503.48
  5. Step 5: Solve for x
    x = 656,917,039,503.48/998,482.35
  6. Step 6: Final answer
    x = 657,915.53

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Double scale
Find fourth proportional to 998,483.35, 1,497,725.03 and 438,611.35
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.