Home / 1,182,921.20-1,775,110.80-472,875.20

Finding the Fourth Proportional to 1,182,921.20, 1,775,110.80 and 472,875.20

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Solution

The fourth proportional to 1,182,921.20, 1,775,110.80 and 472,875.20 is: 709,604.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,921.20 : 1,775,110.80 = 472,875.20 : x
  2. Step 2: Convert to fraction form
    1,182,921.20/1,775,110.80 = 472,875.20/x
  3. Step 3: Cross multiply
    1,182,921.20x = 1,775,110.80 × 472,875.20
  4. Step 4: Simplify right side
    1,182,921.20x = 839,405,874,572.16
  5. Step 5: Solve for x
    x = 839,405,874,572.16/1,182,921.20
  6. Step 6: Final answer
    x = 709,604.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.