Home / 821,750.67-1,230,927.84-483,749.82

Finding the Fourth Proportional to 821,750.67, 1,230,927.84 and 483,749.82

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Solution

The fourth proportional to 821,750.67, 1,230,927.84 and 483,749.82 is: 724,625.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,750.67 : 1,230,927.84 = 483,749.82 : x
  2. Step 2: Convert to fraction form
    821,750.67/1,230,927.84 = 483,749.82/x
  3. Step 3: Cross multiply
    821,750.67x = 1,230,927.84 × 483,749.82
  4. Step 4: Simplify right side
    821,750.67x = 595,461,121,032.99
  5. Step 5: Solve for x
    x = 595,461,121,032.99/821,750.67
  6. Step 6: Final answer
    x = 724,625.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.