Home / 976,412.97-1,346,771.75-830,846.25

Finding the Fourth Proportional to 976,412.97, 1,346,771.75 and 830,846.25

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Solution

The fourth proportional to 976,412.97, 1,346,771.75 and 830,846.25 is: 1,145,990.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,412.97 : 1,346,771.75 = 830,846.25 : x
  2. Step 2: Convert to fraction form
    976,412.97/1,346,771.75 = 830,846.25/x
  3. Step 3: Cross multiply
    976,412.97x = 1,346,771.75 × 830,846.25
  4. Step 4: Simplify right side
    976,412.97x = 1,118,960,253,939.21
  5. Step 5: Solve for x
    x = 1,118,960,253,939.21/976,412.97
  6. Step 6: Final answer
    x = 1,145,990.77

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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.