Home / 2,155,438-3,233,706.18-639,176.32

Finding the Fourth Proportional to 2,155,438, 3,233,706.18 and 639,176.32

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Solution

The fourth proportional to 2,155,438, 3,233,706.18 and 639,176.32 is: 958,927.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,155,438 : 3,233,706.18 = 639,176.32 : x
  2. Step 2: Convert to fraction form
    2,155,438/3,233,706.18 = 639,176.32/x
  3. Step 3: Cross multiply
    2,155,438x = 3,233,706.18 × 639,176.32
  4. Step 4: Simplify right side
    2,155,438x = 2,066,908,416,093.66
  5. Step 5: Solve for x
    x = 2,066,908,416,093.66/2,155,438
  6. Step 6: Final answer
    x = 958,927.33

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Double scale
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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.