Home / 1,217,006.97-1,679,818.87-803,846.01

Finding the Fourth Proportional to 1,217,006.97, 1,679,818.87 and 803,846.01

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Solution

The fourth proportional to 1,217,006.97, 1,679,818.87 and 803,846.01 is: 1,109,538.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,006.97 : 1,679,818.87 = 803,846.01 : x
  2. Step 2: Convert to fraction form
    1,217,006.97/1,679,818.87 = 803,846.01/x
  3. Step 3: Cross multiply
    1,217,006.97x = 1,679,818.87 × 803,846.01
  4. Step 4: Simplify right side
    1,217,006.97x = 1,350,315,696,172.21
  5. Step 5: Solve for x
    x = 1,350,315,696,172.21/1,217,006.97
  6. Step 6: Final answer
    x = 1,109,538.18

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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.