Home / 1,415,130.60-1,949,558.82-984,670.44

Finding the Fourth Proportional to 1,415,130.60, 1,949,558.82 and 984,670.44

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Solution

The fourth proportional to 1,415,130.60, 1,949,558.82 and 984,670.44 is: 1,356,534.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,130.60 : 1,949,558.82 = 984,670.44 : x
  2. Step 2: Convert to fraction form
    1,415,130.60/1,949,558.82 = 984,670.44/x
  3. Step 3: Cross multiply
    1,415,130.60x = 1,949,558.82 × 984,670.44
  4. Step 4: Simplify right side
    1,415,130.60x = 1,919,672,941,095.28
  5. Step 5: Solve for x
    x = 1,919,672,941,095.28/1,415,130.60
  6. Step 6: Final answer
    x = 1,356,534.12

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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.