Home / 1,385,671.88-1,911,698.52-841,602.44

Finding the Fourth Proportional to 1,385,671.88, 1,911,698.52 and 841,602.44

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Solution

The fourth proportional to 1,385,671.88, 1,911,698.52 and 841,602.44 is: 1,161,090.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,671.88 : 1,911,698.52 = 841,602.44 : x
  2. Step 2: Convert to fraction form
    1,385,671.88/1,911,698.52 = 841,602.44/x
  3. Step 3: Cross multiply
    1,385,671.88x = 1,911,698.52 × 841,602.44
  4. Step 4: Simplify right side
    1,385,671.88x = 1,608,890,140,599.63
  5. Step 5: Solve for x
    x = 1,608,890,140,599.63/1,385,671.88
  6. Step 6: Final answer
    x = 1,161,090.27

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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.