Home / 1,052,105.70-1,578,392.43-490,834.02

Finding the Fourth Proportional to 1,052,105.70, 1,578,392.43 and 490,834.02

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Solution

The fourth proportional to 1,052,105.70, 1,578,392.43 and 490,834.02 is: 736,360.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,052,105.70 : 1,578,392.43 = 490,834.02 : x
  2. Step 2: Convert to fraction form
    1,052,105.70/1,578,392.43 = 490,834.02/x
  3. Step 3: Cross multiply
    1,052,105.70x = 1,578,392.43 × 490,834.02
  4. Step 4: Simplify right side
    1,052,105.70x = 774,728,691,208.34
  5. Step 5: Solve for x
    x = 774,728,691,208.34/1,052,105.70
  6. Step 6: Final answer
    x = 736,360.13

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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.