Home / 684,922.65-945,194.38-379,011.90

Finding the Fourth Proportional to 684,922.65, 945,194.38 and 379,011.90

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Solution

The fourth proportional to 684,922.65, 945,194.38 and 379,011.90 is: 523,037.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,922.65 : 945,194.38 = 379,011.90 : x
  2. Step 2: Convert to fraction form
    684,922.65/945,194.38 = 379,011.90/x
  3. Step 3: Cross multiply
    684,922.65x = 945,194.38 × 379,011.90
  4. Step 4: Simplify right side
    684,922.65x = 358,239,922,562.01
  5. Step 5: Solve for x
    x = 358,239,922,562.01/684,922.65
  6. Step 6: Final answer
    x = 523,037.05

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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.