Home / 1,266,950.27-1,748,389.81-686,173.06

Finding the Fourth Proportional to 1,266,950.27, 1,748,389.81 and 686,173.06

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Solution

The fourth proportional to 1,266,950.27, 1,748,389.81 and 686,173.06 is: 946,917.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,950.27 : 1,748,389.81 = 686,173.06 : x
  2. Step 2: Convert to fraction form
    1,266,950.27/1,748,389.81 = 686,173.06/x
  3. Step 3: Cross multiply
    1,266,950.27x = 1,748,389.81 × 686,173.06
  4. Step 4: Simplify right side
    1,266,950.27x = 1,199,697,977,922.46
  5. Step 5: Solve for x
    x = 1,199,697,977,922.46/1,266,950.27
  6. Step 6: Final answer
    x = 946,917.97

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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.