Home / 1,053,718.81-1,453,776.82-686,028.02

Finding the Fourth Proportional to 1,053,718.81, 1,453,776.82 and 686,028.02

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Solution

The fourth proportional to 1,053,718.81, 1,453,776.82 and 686,028.02 is: 946,487.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,718.81 : 1,453,776.82 = 686,028.02 : x
  2. Step 2: Convert to fraction form
    1,053,718.81/1,453,776.82 = 686,028.02/x
  3. Step 3: Cross multiply
    1,053,718.81x = 1,453,776.82 × 686,028.02
  4. Step 4: Simplify right side
    1,053,718.81x = 997,331,624,362.54
  5. Step 5: Solve for x
    x = 997,331,624,362.54/1,053,718.81
  6. Step 6: Final answer
    x = 946,487.45

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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.