Home / 998,316.12-1,377,673.20-545,607.12

Finding the Fourth Proportional to 998,316.12, 1,377,673.20 and 545,607.12

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Solution

The fourth proportional to 998,316.12, 1,377,673.20 and 545,607.12 is: 752,936.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,316.12 : 1,377,673.20 = 545,607.12 : x
  2. Step 2: Convert to fraction form
    998,316.12/1,377,673.20 = 545,607.12/x
  3. Step 3: Cross multiply
    998,316.12x = 1,377,673.20 × 545,607.12
  4. Step 4: Simplify right side
    998,316.12x = 751,668,306,953.18
  5. Step 5: Solve for x
    x = 751,668,306,953.18/998,316.12
  6. Step 6: Final answer
    x = 752,936.16

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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.