Home / 891,881.77-1,230,800.18-483,983.69

Finding the Fourth Proportional to 891,881.77, 1,230,800.18 and 483,983.69

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Solution

The fourth proportional to 891,881.77, 1,230,800.18 and 483,983.69 is: 667,899.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,881.77 : 1,230,800.18 = 483,983.69 : x
  2. Step 2: Convert to fraction form
    891,881.77/1,230,800.18 = 483,983.69/x
  3. Step 3: Cross multiply
    891,881.77x = 1,230,800.18 × 483,983.69
  4. Step 4: Simplify right side
    891,881.77x = 595,687,212,769.06
  5. Step 5: Solve for x
    x = 595,687,212,769.06/891,881.77
  6. Step 6: Final answer
    x = 667,899.30

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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.