Home / 891,803.84-1,231,711.44-587,241.68

Finding the Fourth Proportional to 891,803.84, 1,231,711.44 and 587,241.68

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Solution

The fourth proportional to 891,803.84, 1,231,711.44 and 587,241.68 is: 811,066.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,803.84 : 1,231,711.44 = 587,241.68 : x
  2. Step 2: Convert to fraction form
    891,803.84/1,231,711.44 = 587,241.68/x
  3. Step 3: Cross multiply
    891,803.84x = 1,231,711.44 × 587,241.68
  4. Step 4: Simplify right side
    891,803.84x = 723,312,295,300.82
  5. Step 5: Solve for x
    x = 723,312,295,300.82/891,803.84
  6. Step 6: Final answer
    x = 811,066.59

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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.