Home / 1,053,817.76-1,453,911.69-686,127.02

Finding the Fourth Proportional to 1,053,817.76, 1,453,911.69 and 686,127.02

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Solution

The fourth proportional to 1,053,817.76, 1,453,911.69 and 686,127.02 is: 946,622.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,817.76 : 1,453,911.69 = 686,127.02 : x
  2. Step 2: Convert to fraction form
    1,053,817.76/1,453,911.69 = 686,127.02/x
  3. Step 3: Cross multiply
    1,053,817.76x = 1,453,911.69 × 686,127.02
  4. Step 4: Simplify right side
    1,053,817.76x = 997,568,095,202.86
  5. Step 5: Solve for x
    x = 997,568,095,202.86/1,053,817.76
  6. Step 6: Final answer
    x = 946,622.97

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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.