Home / 1,585,772.83-2,378,659.19-387,680.90

Finding the Fourth Proportional to 1,585,772.83, 2,378,659.19 and 387,680.90

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Solution

The fourth proportional to 1,585,772.83, 2,378,659.19 and 387,680.90 is: 581,521.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,772.83 : 2,378,659.19 = 387,680.90 : x
  2. Step 2: Convert to fraction form
    1,585,772.83/2,378,659.19 = 387,680.90/x
  3. Step 3: Cross multiply
    1,585,772.83x = 2,378,659.19 × 387,680.90
  4. Step 4: Simplify right side
    1,585,772.83x = 922,160,733,634.07
  5. Step 5: Solve for x
    x = 922,160,733,634.07/1,585,772.83
  6. Step 6: Final answer
    x = 581,521.34

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Double scale
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Similar ratio
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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.