Home / 1,528,201.83-2,108,937.66-839,948.88

Finding the Fourth Proportional to 1,528,201.83, 2,108,937.66 and 839,948.88

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Solution

The fourth proportional to 1,528,201.83, 2,108,937.66 and 839,948.88 is: 1,159,139.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,201.83 : 2,108,937.66 = 839,948.88 : x
  2. Step 2: Convert to fraction form
    1,528,201.83/2,108,937.66 = 839,948.88/x
  3. Step 3: Cross multiply
    1,528,201.83x = 2,108,937.66 × 839,948.88
  4. Step 4: Simplify right side
    1,528,201.83x = 1,771,399,825,506.82
  5. Step 5: Solve for x
    x = 1,771,399,825,506.82/1,528,201.83
  6. Step 6: Final answer
    x = 1,159,139.97

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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.