Home / 998,503.59-1,379,071.17-671,248.20

Finding the Fourth Proportional to 998,503.59, 1,379,071.17 and 671,248.20

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Solution

The fourth proportional to 998,503.59, 1,379,071.17 and 671,248.20 is: 927,086.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,503.59 : 1,379,071.17 = 671,248.20 : x
  2. Step 2: Convert to fraction form
    998,503.59/1,379,071.17 = 671,248.20/x
  3. Step 3: Cross multiply
    998,503.59x = 1,379,071.17 × 671,248.20
  4. Step 4: Simplify right side
    998,503.59x = 925,699,040,534.39
  5. Step 5: Solve for x
    x = 925,699,040,534.39/998,503.59
  6. Step 6: Final answer
    x = 927,086.34

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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.