Home / 1,641,088.64-2,264,499.24-915,976.64

Finding the Fourth Proportional to 1,641,088.64, 2,264,499.24 and 915,976.64

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Solution

The fourth proportional to 1,641,088.64, 2,264,499.24 and 915,976.64 is: 1,263,934.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,641,088.64 : 2,264,499.24 = 915,976.64 : x
  2. Step 2: Convert to fraction form
    1,641,088.64/2,264,499.24 = 915,976.64/x
  3. Step 3: Cross multiply
    1,641,088.64x = 2,264,499.24 × 915,976.64
  4. Step 4: Simplify right side
    1,641,088.64x = 2,074,228,405,137.75
  5. Step 5: Solve for x
    x = 2,074,228,405,137.75/1,641,088.64
  6. Step 6: Final answer
    x = 1,263,934.41

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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.