Home / 839,916.76-1,159,090.62-457,949.92

Finding the Fourth Proportional to 839,916.76, 1,159,090.62 and 457,949.92

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Solution

The fourth proportional to 839,916.76, 1,159,090.62 and 457,949.92 is: 631,973.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,916.76 : 1,159,090.62 = 457,949.92 : x
  2. Step 2: Convert to fraction form
    839,916.76/1,159,090.62 = 457,949.92/x
  3. Step 3: Cross multiply
    839,916.76x = 1,159,090.62 × 457,949.92
  4. Step 4: Simplify right side
    839,916.76x = 530,805,456,701.75
  5. Step 5: Solve for x
    x = 530,805,456,701.75/839,916.76
  6. Step 6: Final answer
    x = 631,973.88

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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.