Home / 1,528,169.85-2,108,772.27-839,826.96

Finding the Fourth Proportional to 1,528,169.85, 2,108,772.27 and 839,826.96

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Solution

The fourth proportional to 1,528,169.85, 2,108,772.27 and 839,826.96 is: 1,158,905.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,169.85 : 2,108,772.27 = 839,826.96 : x
  2. Step 2: Convert to fraction form
    1,528,169.85/2,108,772.27 = 839,826.96/x
  3. Step 3: Cross multiply
    1,528,169.85x = 2,108,772.27 × 839,826.96
  4. Step 4: Simplify right side
    1,528,169.85x = 1,771,003,804,846.40
  5. Step 5: Solve for x
    x = 1,771,003,804,846.40/1,528,169.85
  6. Step 6: Final answer
    x = 1,158,905.08

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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.