Home / 620,084.22-855,976.23-419,152.38

Finding the Fourth Proportional to 620,084.22, 855,976.23 and 419,152.38

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Solution

The fourth proportional to 620,084.22, 855,976.23 and 419,152.38 is: 578,606.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,084.22 : 855,976.23 = 419,152.38 : x
  2. Step 2: Convert to fraction form
    620,084.22/855,976.23 = 419,152.38/x
  3. Step 3: Cross multiply
    620,084.22x = 855,976.23 × 419,152.38
  4. Step 4: Simplify right side
    620,084.22x = 358,784,474,027.93
  5. Step 5: Solve for x
    x = 358,784,474,027.93/620,084.22
  6. Step 6: Final answer
    x = 578,606.04

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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.