Home / 1,053,815.76-1,453,908.93-686,125.02

Finding the Fourth Proportional to 1,053,815.76, 1,453,908.93 and 686,125.02

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Solution

The fourth proportional to 1,053,815.76, 1,453,908.93 and 686,125.02 is: 946,620.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,815.76 : 1,453,908.93 = 686,125.02 : x
  2. Step 2: Convert to fraction form
    1,053,815.76/1,453,908.93 = 686,125.02/x
  3. Step 3: Cross multiply
    1,053,815.76x = 1,453,908.93 × 686,125.02
  4. Step 4: Simplify right side
    1,053,815.76x = 997,563,293,674.43
  5. Step 5: Solve for x
    x = 997,563,293,674.43/1,053,815.76
  6. Step 6: Final answer
    x = 946,620.21

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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.