Home / 1,200,736.64-1,657,029.62-656,860.74

Finding the Fourth Proportional to 1,200,736.64, 1,657,029.62 and 656,860.74

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Solution

The fourth proportional to 1,200,736.64, 1,657,029.62 and 656,860.74 is: 906,474.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,736.64 : 1,657,029.62 = 656,860.74 : x
  2. Step 2: Convert to fraction form
    1,200,736.64/1,657,029.62 = 656,860.74/x
  3. Step 3: Cross multiply
    1,200,736.64x = 1,657,029.62 × 656,860.74
  4. Step 4: Simplify right side
    1,200,736.64x = 1,088,437,702,395.12
  5. Step 5: Solve for x
    x = 1,088,437,702,395.12/1,200,736.64
  6. Step 6: Final answer
    x = 906,474.96

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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.