Home / 1,507,170.70-2,079,919.16-818,856.19

Finding the Fourth Proportional to 1,507,170.70, 2,079,919.16 and 818,856.19

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Solution

The fourth proportional to 1,507,170.70, 2,079,919.16 and 818,856.19 is: 1,130,034.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507,170.70 : 2,079,919.16 = 818,856.19 : x
  2. Step 2: Convert to fraction form
    1,507,170.70/2,079,919.16 = 818,856.19/x
  3. Step 3: Cross multiply
    1,507,170.70x = 2,079,919.16 × 818,856.19
  4. Step 4: Simplify right side
    1,507,170.70x = 1,703,154,673,348.45
  5. Step 5: Solve for x
    x = 1,703,154,673,348.45/1,507,170.70
  6. Step 6: Final answer
    x = 1,130,034.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.