Home / 1,165,520.64-1,608,414.72-656,225.28

Finding the Fourth Proportional to 1,165,520.64, 1,608,414.72 and 656,225.28

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Solution

The fourth proportional to 1,165,520.64, 1,608,414.72 and 656,225.28 is: 905,588.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,520.64 : 1,608,414.72 = 656,225.28 : x
  2. Step 2: Convert to fraction form
    1,165,520.64/1,608,414.72 = 656,225.28/x
  3. Step 3: Cross multiply
    1,165,520.64x = 1,608,414.72 × 656,225.28
  4. Step 4: Simplify right side
    1,165,520.64x = 1,055,482,399,988.12
  5. Step 5: Solve for x
    x = 1,055,482,399,988.12/1,165,520.64
  6. Step 6: Final answer
    x = 905,588.77

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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.