Home / 1,117,536.40-1,675,356.90-407,150.20

Finding the Fourth Proportional to 1,117,536.40, 1,675,356.90 and 407,150.20

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Solution

The fourth proportional to 1,117,536.40, 1,675,356.90 and 407,150.20 is: 610,380.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,536.40 : 1,675,356.90 = 407,150.20 : x
  2. Step 2: Convert to fraction form
    1,117,536.40/1,675,356.90 = 407,150.20/x
  3. Step 3: Cross multiply
    1,117,536.40x = 1,675,356.90 × 407,150.20
  4. Step 4: Simplify right side
    1,117,536.40x = 682,121,896,906.38
  5. Step 5: Solve for x
    x = 682,121,896,906.38/1,117,536.40
  6. Step 6: Final answer
    x = 610,380.03

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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.