Home / 1,053,896.86-1,454,405.88-640,292.86

Finding the Fourth Proportional to 1,053,896.86, 1,454,405.88 and 640,292.86

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Solution

The fourth proportional to 1,053,896.86, 1,454,405.88 and 640,292.86 is: 883,621.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,896.86 : 1,454,405.88 = 640,292.86 : x
  2. Step 2: Convert to fraction form
    1,053,896.86/1,454,405.88 = 640,292.86/x
  3. Step 3: Cross multiply
    1,053,896.86x = 1,454,405.88 × 640,292.86
  4. Step 4: Simplify right side
    1,053,896.86x = 931,245,700,506.02
  5. Step 5: Solve for x
    x = 931,245,700,506.02/1,053,896.86
  6. Step 6: Final answer
    x = 883,621.29

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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.