Home / 1,120,806.46-1,681,084.86-401,119.12

Finding the Fourth Proportional to 1,120,806.46, 1,681,084.86 and 401,119.12

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Solution

The fourth proportional to 1,120,806.46, 1,681,084.86 and 401,119.12 is: 601,634.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,806.46 : 1,681,084.86 = 401,119.12 : x
  2. Step 2: Convert to fraction form
    1,120,806.46/1,681,084.86 = 401,119.12/x
  3. Step 3: Cross multiply
    1,120,806.46x = 1,681,084.86 × 401,119.12
  4. Step 4: Simplify right side
    1,120,806.46x = 674,315,279,688.52
  5. Step 5: Solve for x
    x = 674,315,279,688.52/1,120,806.46
  6. Step 6: Final answer
    x = 601,634.01

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Double scale
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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.