Home / 1,174,885.66-1,621,422.39-665,592.22

Finding the Fourth Proportional to 1,174,885.66, 1,621,422.39 and 665,592.22

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Solution

The fourth proportional to 1,174,885.66, 1,621,422.39 and 665,592.22 is: 918,562.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,885.66 : 1,621,422.39 = 665,592.22 : x
  2. Step 2: Convert to fraction form
    1,174,885.66/1,621,422.39 = 665,592.22/x
  3. Step 3: Cross multiply
    1,174,885.66x = 1,621,422.39 × 665,592.22
  4. Step 4: Simplify right side
    1,174,885.66x = 1,079,206,128,117.81
  5. Step 5: Solve for x
    x = 1,079,206,128,117.81/1,174,885.66
  6. Step 6: Final answer
    x = 918,562.69

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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.