Home / 1,535,531.31-2,119,040.55-847,203.12

Finding the Fourth Proportional to 1,535,531.31, 2,119,040.55 and 847,203.12

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Solution

The fourth proportional to 1,535,531.31, 2,119,040.55 and 847,203.12 is: 1,169,144.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535,531.31 : 2,119,040.55 = 847,203.12 : x
  2. Step 2: Convert to fraction form
    1,535,531.31/2,119,040.55 = 847,203.12/x
  3. Step 3: Cross multiply
    1,535,531.31x = 2,119,040.55 × 847,203.12
  4. Step 4: Simplify right side
    1,535,531.31x = 1,795,257,765,366.52
  5. Step 5: Solve for x
    x = 1,795,257,765,366.52/1,535,531.31
  6. Step 6: Final answer
    x = 1,169,144.36

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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.