Home / 684,618.06-944,700.24-378,645.84

Finding the Fourth Proportional to 684,618.06, 944,700.24 and 378,645.84

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Solution

The fourth proportional to 684,618.06, 944,700.24 and 378,645.84 is: 522,491.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,618.06 : 944,700.24 = 378,645.84 : x
  2. Step 2: Convert to fraction form
    684,618.06/944,700.24 = 378,645.84/x
  3. Step 3: Cross multiply
    684,618.06x = 944,700.24 × 378,645.84
  4. Step 4: Simplify right side
    684,618.06x = 357,706,815,923.00
  5. Step 5: Solve for x
    x = 357,706,815,923.00/684,618.06
  6. Step 6: Final answer
    x = 522,491.06

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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.