Home / 819,311.83-1,130,717.62-451,860.83

Finding the Fourth Proportional to 819,311.83, 1,130,717.62 and 451,860.83

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Solution

The fourth proportional to 819,311.83, 1,130,717.62 and 451,860.83 is: 623,605.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,311.83 : 1,130,717.62 = 451,860.83 : x
  2. Step 2: Convert to fraction form
    819,311.83/1,130,717.62 = 451,860.83/x
  3. Step 3: Cross multiply
    819,311.83x = 1,130,717.62 × 451,860.83
  4. Step 4: Simplify right side
    819,311.83x = 510,927,000,571.68
  5. Step 5: Solve for x
    x = 510,927,000,571.68/819,311.83
  6. Step 6: Final answer
    x = 623,605.06

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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.