Home / 1,128,959.40-1,557,958.50-619,670.44

Finding the Fourth Proportional to 1,128,959.40, 1,557,958.50 and 619,670.44

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Solution

The fourth proportional to 1,128,959.40, 1,557,958.50 and 619,670.44 is: 855,142.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,959.40 : 1,557,958.50 = 619,670.44 : x
  2. Step 2: Convert to fraction form
    1,128,959.40/1,557,958.50 = 619,670.44/x
  3. Step 3: Cross multiply
    1,128,959.40x = 1,557,958.50 × 619,670.44
  4. Step 4: Simplify right side
    1,128,959.40x = 965,420,829,196.74
  5. Step 5: Solve for x
    x = 965,420,829,196.74/1,128,959.40
  6. Step 6: Final answer
    x = 855,142.20

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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.